A CATALOGUE OF THE CAMBRIAN AND SILURIAN FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

A CATALOGUE OF THE CAMBRIAN AND SILURIAN FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

A CATALOGUE OF THE CAMBRIAN AND SILURIAN FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

A CATALOGUE OF THE COLLECTIONS OF FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

A CATALOGUE OF THE COLLECTIONS OF FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

A CATALOGUE OF THE COLLECTIONS OF FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

A CATALOGUE OF THE LIBRARY OF THE MUSEUM OF PRACTICAL GEOLOGY AND GEOLOGICAL SURVEY

A CATALOGUE OF THE LIBRARY OF THE MUSEUM OF PRACTICAL GEOLOGY AND GEOLOGICAL SURVEY

A CATALOGUE OF THE LIBRARY OF THE MUSEUM OF PRACTICAL GEOLOGY AND GEOLOGICAL SURVEY (HB)

A CATALOGUE OF THE LIBRARY OF THE MUSEUM OF PRACTICAL GEOLOGY AND GEOLOGICAL SURVEY - PRIMARY SOURCE EDITION

A DESCRIPTIVE CATALOGUE OF THE ROCK SPEC (HB)

A DESCRIPTIVE CATALOGUE OF THE ROCK SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY

A DESCRIPTIVE CATALOGUE OF THE ROCK SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (HB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (HB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (HB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY. WITH NOTICES OF THE GEOLOGICAL SURVEY OF THE UNITED KINGDOM, THE GOVERNMENT SCHOOL OF MINES, AND THE MINING RECORD OFFICE. BY ROBERT HUNT. (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY. WITH NOTICES OF THE GEOLOGICAL SURVEY OF THE UNITED KINGDOM, THE GOVERNMENT SCHOOL OF MINES, AND THE MINING RECORD OFFICE. BY ROBERT HUNT. (PB)

A DESCRIPTIVE GUIDE TO THE MUSEUM OF PRACTICAL GEOLOGY. WITH NOTICES OF THE GEOLOGICAL SURVEY OF THE UNITED KINGDOM, THE GOVERNMENT SCHOOL OF MINES, AND THE MINING RECORD OFFICE. BY ROBERT HUNT. THIRD EDITION (PB)

A HANDBOOK TO A COLLECTION OF THE MINERALS OF THE BRITISH ISLANDS

A HANDBOOK TO A COLLECTION OF THE MINERALS OF THE BRITISH ISLANDS (HB)

A HANDBOOK TO A COLLECTION OF THE MINERALS OF THE BRITISH ISLANDS, MOSTLY SELECTED FROM THE LUDLAM COLLECTION, IN THE MUSEUM OF PRACTICAL GEOLOGY

A MANUAL OF PHOTOGRAPHY

A MANUAL OF PHOTOGRAPHY

A MANUAL OF PHOTOGRAPHY (HB)

A MANUAL OF PHOTOGRAPHY (HB)

A MANUAL OF PHOTOGRAPHY (HB)

A MANUAL OF PHOTOGRAPHY (HB)

A MANUAL OF PHOTOGRAPHY (PB)

A MANUAL OF PHOTOGRAPHY (PB)

A MANUAL OF PHOTOGRAPHY (PB)

A MANUAL OF PHOTOGRAPHY - PRIMARY SOURCE EDITION

A MANUAL OF PHOTOGRAPHY - PRIMARY SOURCE EDITION

A MANUAL OF PHOTOGRAPHY...

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL (HB)

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL (PB)

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 1

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 1 (HB)

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 1 (PB)

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 2

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 2 (HB)

A TREATISE ON THE PROGRESSIVE IMPROVEMENT & PRESENT STATE OF THE MANUFACTURES IN METAL, VOLUME 2 (PB)

ART-STUDIES FROM NATURE, AS APPLIED TO DESIGN

BEYOND RELATIVISM (HB)

BEYOND RELATIVISM (PB)

BLIND TERROR (PB)

BRITISH MINING (PB)

BRITISH MINING. A TREATISE ON THE HISTORY AND FUTURE PROSPECT OF METALLIFEROUS MINES IN THE UNITED KINGDOM. WITH ILLUSTRATIONS. (PB)

BRITISH MINING; A TREATISE ON THE HISTORY, DISCOVERY, PRACTICAL DEVELOPMENT AND FUTURE PROSPECTS OF METALLIFEROUS MINES IN THE UNITED KINGDOM

CATALOGUE OF SPECIMENS

CATALOGUE OF SPECIMENS (HB)

CATALOGUE OF SPECIMENS (PB)

CATALOGUE OF SPECIMENS ILLUSTRATIVE OF THE COMPOSITION AND MANUFACTURE OF BRITISH POTTERY AND PORCELAIN

CATALOGUE OF SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY

CATALOGUE OF SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

CATALOGUE OF SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY, ILLUSTRATIVE OF THE COMPOSITION AND MANUFACTURE OF BRITISH POTTERY AND PORCELAIN, FROM THE OCCUPATION OF BRITAIN BY THE ROMANS TO THE PRESENT TIME

CATALOGUE OF SPECIMENS IN THE MUSEUM OF PRACTICAL GEOLOGY, ILLUSTRATIVE OF THE COMPOSITION AND MANUFACTURE OF BRITISH POTTERY AND PORCELAIN, FROM THE OCCUPATION OF BRITAIN BY THE ROMANS TO THE PRESENT TIME (HB)

CATALOGUE OF THE CAMBRIAN AND SILURIAN FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

CATALOGUE OF THE CAMBRIAN AND SILURIAN FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

CATALOGUE OF THE CRETACEOUS FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

CATALOGUE OF THE CRETACEOUS FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

CATALOGUE OF THE MINERAL COLLECTIONS (HB)

CATALOGUE OF THE MINERAL COLLECTIONS ...

CATALOGUE OF THE TERTIARY AND POST TERTIARY FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY

CATALOGUE OF THE TERTIARY AND POST TERTIARY FOSSILS IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

COMPANION TO THE OFFICIAL CATALOGUE

COMPANION TO THE OFFICIAL CATALOGUE

COMPANION TO THE OFFICIAL CATALOGUE (HB)

COMPANION TO THE OFFICIAL CATALOGUE (PB)

COMPANION TO THE OFFICIAL CATALOGUE (PB)

COMPANION TO THE OFFICIAL CATALOGUE (PB)

COMPANION TO THE OFFICIAL CATALOGUE. SYNOPSIS OF THE CONTENTS OF THE GREAT EXHIBITION OF 1851

COMPANION TO THE OFFICIAL CATALOGUE: SYN (HB)

COMPANION TO THE OFFICIAL CATALOGUE: SYN (HB)

COMPANION TO THE OFFICIAL CATALOGUE: SYN (PB)

COMPANION TO THE OFFICIAL CATALOGUE: SYN (PB)

COMPANION TO THE OFFICIAL CATALOGUE; SYNOPSIS OF A COMPLETE GUIDE TO THE CONTENTS OF THE INTERNATIONAL EXHIBITION OF 1862

CORNISH FAIRIES (PB)

CORNISH FAIRY FOLK (PB)

CORNISH LEGENDS (PB)

CUSTOMS AND SUPERSTITIONS - FROM CORNISH FOLKLORE (PB)

DEMONS, GHOSTS AND SPECTRES (PB)

DESCRIPTION SOMMAIRE (SYNOPSIS) DE L'EXPOSITION UNIVERSELLE DE 1862... (PB)

DESCRIPTIVE CATALOGUE OF THE GEOLOGICAL, MINING AND METALLURGICAL MODELS

DESCRIPTIVE GUIDE WITH NOTICES OF THE GEOLOGICAL SURVEY OF THE UNITED KINGDOM ...

DICTIONARY OF ARTS, MANUFACTURES, AND MINES CONTAINING A CLEAR EXPOSITION OF THEIR PRINCIPLES AND PRACTICE (VOLUME I)

DID IT ALL START WITH A SNOWBALL FIGHT? (PB)

DROLLS, TRADITIONS AND SUPERSTITIONS OF OLD CORNWALL (POPULAR ROMANCES OF THE WEST OF ENGLAND) (PB)

DROLLS, TRADITIONS AND SUPERSTITIONS OF OLD CORNWALL (POPULAR ROMANCES OF THE WEST OF ENGLAND) (PB)

ELEMENTARY PHYSICS (HB)

ELEMENTARY PHYSICS (HB)

ELEMENTARY PHYSICS (HB)

ELEMENTARY PHYSICS (PB)

ELEMENTARY PHYSICS (PB)

ELEMENTARY PHYSICS (PB)

ELEMENTARY PHYSICS (PB)

ELEMENTARY PHYSICS; AN INTRODUCTION TO THE STUDY OF NATURAL PHILOSOPHY

ETHICS AT WORK (PB)

EXPLANATION OF SHEET 13. PART OF THE COAST OF AYRSHIRE

EXPLANATION OF SHEET 13. PART OF THE COAST OF AYRSHIRE (HB)

EXPLANATION OF SHEET 22. AYRSHIRE (NORTH PART), WITH PARTS OF RENFREWSHIRE AND LANARKSHIRE

EXPLANATION OF SHEET 22. AYRSHIRE (NORTH PART), WITH PARTS OF RENFREWSHIRE AND LANARKSHIRE (HB)

EXPLANATION OF SHEET 31. STIRLING (SOUTHERN PART). LANARKSHIRE (NORTHERN PART). LINLITHGOWSHIRE (WESTERN BORDERS)

EXPLANATION OF SHEET 31. STIRLING (SOUTHERN PART). LANARKSHIRE (NORTHERN PART). LINLITHGOWSHIRE (WESTERN BORDERS) (HB)

EXPLANATION OF SHEET 7. AYRSHIRE; SOUTHWESTERN DISTRICT

EXPLANATION OF SHEET 7. AYRSHIRE; SOUTHWESTERN DISTRICT (HB)

EXPLANATION OF SHEET 9. KIRKCUDBRIGHT (NORTH-EAST PART) AND DUMFRIESSHIRE (SOUTH-WEST PART)

EXPLANATION OF SHEET 9. KIRKCUDBRIGHT (NORTH-EAST PART) AND DUMFRIESSHIRE (SOUTH-WEST PART) (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS (PB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS, ISSUE 2

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS, ISSUE 2 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS, ISSUE 3 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS, ISSUE 3 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS, ISSUE 4 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII] VOLUME 2

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII] VOLUME 2 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII]; VOLUME 2

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII]; VOLUME 2 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII]; VOLUME D. 12

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[-XIII]; VOLUME D. 12 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. DECADE[S] I[XIII]

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV]

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV] VOLUME 1

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV] VOLUME 1 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV] VOLUME 2 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV]; VOLUME 1

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV]; VOLUME 1 (HB)

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV]; VOLUME 2

FIGURES AND DESCRIPTIONS ILLUSTRATIVE OF BRITISH ORGANIC REMAINS. MONOGRAPH[S] I[-IV]; VOLUME 2 (HB)

FIRST [-THIRD] REPORT ON THE COALS SUITED TO THE STEAM NAVY (HB)

FIRST [-THIRD] REPORT ON THE COALS SUITED TO THE STEAM NAVY, VOLUME 1

FIRST [-THIRD] REPORT ON THE COALS SUITED TO THE STEAM NAVY, VOLUME 1 (HB)

GEOLOGICAL MAP OF NORTHERN IRELAND (MAP)

GUIDE DU CATALOGUE OFFICIEL. SYNOPSIS OU REVUE SOMMAIRE DES PRODUITS DE L'INDUSTRIE DE L'EXPOSITION UNIVERSELLE DE 1851, A LONDRES... (PB)

GUIDE DU CATALOGUE OFFICIEL. SYNOPSIS, OU REVUE SOMMAIRE DES PRODUITS DE L'INDUSTRIE DE L'EXPOSITION UNIVERSELLE DE 1851, TR. PAR F.H. D'ARCIS... (PB)

GUIDE TO THE COLLECTION OF GEMSTONES IN THE MUSEUM OF PRACTICAL GEOLOGY

HANDBOOK OF THE INDUSTRIAL DEPARTMENT OF THE INTERNATIONAL EXHIBITION, 1862

HANDBOOK TO THE COLLECTION OF BRITISH POTTERY AND PORCELAIN IN THE MUSEUM OF PRACTICAL GEOLOGY, LONDON (HB)

HANDBOOK TO THE COLLECTION OF BRITISH POTTERY AND PORCELAIN, IN THE MUSEUM OF PRACTICAL GEOLOGY

HANDBOOK TO THE COLLECTION OF BRITISH POTTERY AND PORCELAIN, IN THE MUSEUM OF PRACTICAL GEOLOGY

HANDBOOK TO THE COLLECTION OF BRITISH POTTERY AND PORCELAIN, IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

HANDBOOK TO THE COLLECTION OF BRITISH POTTERY AND PORCELAIN, IN THE MUSEUM OF PRACTICAL GEOLOGY (HB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES (HB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES (HB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES (PB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES (PB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES OF THE GREAT EXHIBITION (PB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES OF THE GREAT EXHIBITION (PB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES OF THE GREAT EXHIBITION 2 VOLUME PAPERBACK SET

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES OF THE GREAT EXHIBITION: VOLUME 1

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES OF THE GREAT EXHIBITION: VOLUME 2

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES VOLUME 1; AN EXPLANATORY GUIDE TO THE NATURAL PRODUCTIONS AND MANUFACTURES OF THE GREAT EXHIBITION OF THE INDUSTRY OF ALL NATIONS, 1851

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES, VOL. 1 (PB)

HUNT'S HAND-BOOK TO THE OFFICIAL CATALOGUES; AN EXPLANATORY GUIDE TO THE GREAT EXHIBITION, 1851

I FOUGHT WITH CUSTER (HB)

I FOUGHT WITH CUSTER (PB)

IRON ORES OF GREAT BRITAIN

IRON ORES OF GREAT BRITAIN (HB)

IS MY DOG IN HEAVEN? (PB)

JACOB'S GIFT

MANUAL OF PHOTOGRAPHY (CLASSIC REPRINT) (PB)

MEASURING COLOUR (HB)

MEASURING COLOUR (HB)

MEMOIRES OF THE BIOLOGICAL SURVEY OF GRE (HB)

MEMOIRES OF THE BIOLOGICAL SURVEY OF GREAT BRITAIN AND OF THE MUSEUM OF PRACTICAL GEOLOGY. MINERAL STATISTICS OF THE TED KINGDOM OF GREAT BRITAIN AND IRELAND, FOR THE YEAR 1873. WITH AN APPENDIX.

MEMOIRES OF THE BIOLOGICAL SURVEY OF GREAT BRITAIN AND OF THE MUSEUM OF PRACTICAL GEOLOGY. MINERAL STATISTICS OF THE TED KINGDOM OF GREAT BRITAIN AND IRELAND, FOR THE YEAR 1873. WITH AN APPENDIX. (PB)

MEMOIRES OF THE GEOLOGICAL SURVEY OF THE GREAT BRITAIN

MEMOIRES OF THE GEOLOGICAL SURVEY OF THE GREAT BRITAIN (HB)

MEMOIRES OF THE GEOLOGICAL SURVEY OF THE GREAT BRITAIN (PB)

MEMOIRS OF THE DISTINGUISHED MEN OF SCIE (PB)

MEMOIRS OF THE DISTINGUISHED MEN OF SCIENCE OF GREAT BRITAIN LIVING IN THE YEARS 1807-08 (HB)

MEMOIRS OF THE DISTINGUISHED MEN OF SCIENCE OF GREAT BRITAIN LIVING IN THE YEARS 1807-08 (PB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGL (PB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES (HB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES (HB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES, VOLUME 2, ISSUE 2...

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. ..., VOLUME 1, PAGES 1-296

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. ..., VOLUME 3

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. VOL. I[-IV, PT. I] (HB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. VOL. I[-IV, PT. I] (HB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. VOL. I[-IV, PT. I] (HB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. VOL. I[-IV, PT. I].

MEMOIRS OF THE GEOLOGICAL SURVEY OF ENGLAND AND WALES. VOL. I[-IV, PT. I].

MEMOIRS OF THE GEOLOGICAL SURVEY OF GREA (PB)

MEMOIRS OF THE GEOLOGICAL SURVEY OF GREA (PB)