A STUDY OF THE UNIONIDAE OF ARKANSAS

ICHTHYOLOGIA OHIENSIS

ICHTHYOLOGIA OHIENSIS (HB)

ICHTHYOLOGIA OHIENSIS (PB)

ICHTHYOLOGIA OHIENSIS (HB)

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY (HB)

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY STREAMS

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY STREAMS

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY STREAMS (HB)

ICHTHYOLOGIA OHIENSIS; OR, NATURAL HISTORY OF THE FISHES INHABITING THE RIVER OHIO AND ITS TRIBUTARY STREAMS (HB)

LIFE AND WRITINGS OF RAFINESQUE

LIFE AND WRITINGS OF RAFINESQUE

MAMMOTH CAVE OF KENTUCKY

MAMMOTH CAVE OF KENTUCKY

MAMMOTH CAVE OF KENTUCKY (PB)

MAMMOTH CAVE OF KENTUCKY (HB)

MAMMOTH CAVE OF KENTUCKY;

MAMMOTH CAVE OF KENTUCKY;

MAMMOTH CAVE OF KENTUCKY; (HB)

MAMMOTH CAVE OF KENTUCKY; (HB)

MAMMOTH CAVE OF KENTUCKY; (HB)

MAMMOTH CAVE OF KENTUCKY; - SCHOLAR''S CH (PB)

ON THE QUATERNARY AND RECENT MOLLUSCA OF THE GREAT BASIN, WITH DESCRIPTIONS OF NEW FORMS (HB)

ON THE QUATERNARY AND RECENT MOLLUSCA OF THE GREAT BASIN, WITH DESCRIPTIONS OF NEW FORMS... (PB)

PAPERS & ARTICLES ON SCIENTIFIC SUBJECTS (MOSTLY GEOLOGICAL)

RECORDS OF ANCIENT RACES IN THE MISSISSIPPI VALLEY

RECORDS OF ANCIENT RACES IN THE MISSISSIPPI VALLEY

RECORDS OF ANCIENT RACES IN THE MISSISSIPPI VALLEY (HB)

RECORDS OF ANCIENT RACES IN THE MISSISSIPPI VALLEY (HB)

RECORDS OF ANCIENT RACES IN THE MISSISSIPPI VALLEY (PB)

SPORADIC PAPERS

SPORADIC PAPERS

SPORADIC PAPERS

SPORADIC PAPERS (CLASSIC REPRINT)

SPORADIC PAPERS (HB)

THE LIFE AND WRITINGS OF RAFINESQUE

THE LIFE AND WRITINGS OF RAFINESQUE

THE LIFE AND WRITINGS OF RAFINESQUE

THE LIFE AND WRITINGS OF RAFINESQUE

THE LIFE AND WRITINGS OF RAFINESQUE (HB)

THE LIFE AND WRITINGS OF RAFINESQUE (HB)

THE LIFE AND WRITINGS OF RAFINESQUE (HB)

THE LIFE AND WRITINGS OF RAFINESQUE (HB)

THE LIFE AND WRITINGS OF RAFINESQUE (HB)

THE LIFE AND WRITINGS OF RAFINESQUE, VOL (PB)

THE LIFE AND WRITINGS OF RAFINESQUE: PRE (PB)

THE LIFE AND WRITINGS OF RAFINESQUE; PRE (PB)

THE LIFE AND WRITINGS OF RAFINESQUE; PREPARED FOR THE FILSON CLUB AND READ AT ITS MEETING, MONDAY, APRIL 2, 1894

THE MAMMOTH CAVE OF KENTUCKY. AN ILLUSTRATED MANUAL, ETC.

THE MAMMOTH CAVE, KENTUCKY

THE MAMMOTH CAVE, KENTUCKY (HB)

TRANSACTION OF THE ACADEMY OF SCIENCE OF ST. LOUIS; VOL. VII, NO. 1

TRANSACTION OF THE ACADEMY OF SCIENCE OF ST. LOUIS; VOL. VII, NO. 1

TRANSACTION OF THE ACADEMY OF SCIENCE OF ST. LOUIS; VOL. VII, NO. 1 (HB)