Putnam, William Lowell et al. The Explorers of Mars Hill. A Centennial History of Lowell Observatory. 1894-1994. Photo available. West Kennebunk. Phoenix Publishing. Lowell Observatory. 1994. 290 pps. Octavo. Hardcover. First edition. Illustrated. Folding plate. Important reference work. Fine copy in fine (small closed tear on spine edge )dust jacket (in mylar).

Price: $30	Book ID: 199079

Pyne, Stephen J. Grove Karl Gilbert. A Great Engine of Research. Photo available. Austin. University of Texas Press. 1980. 306 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 198177

Quayle, Henry. Insects of Citrus and Other Subtropical Fruits. Photo available. Ithaca. Comstock. 1941. Octavo. Hard cover. Second edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 153956

Quimby, George Irving. Indian Culture and European Trade Goods. The Archaeology of the Historic Period in the Western Great Lakes Region. Photo available. Madison. University of Wisconsin Press. 1966. 217 pps. Octavo. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 206038

Quinn, Alonzo. Design and Construction of Ports and Marine Structures. Photo available. New York. McGraw-Hill. 1972. 611 pps. 4to. Hardcover. First edition thus. Illustrated. Important reference work. Very scarce in this condition. Fine copy (stamp on end paper) in fine dust jacket (in mylar).

Price: $95	Book ID: 230900

Quinn, Susan. Marie Curie. A Life. Photo available. New York. Simon and Schuster. 1995. 509 pps. 4to. Gilt decorated hard cover. First edition. Full number line. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $25	Book ID: 225944

Raby, Peter. Alfred Russel Wallace. A Life. Photo available. Princeton. Princeton University Press. 2001. 340 pps. 4to. Gilt decorated hard cover. First edition. Full number line. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $40	Book ID: 230151

Radeleff, R.D. Veterinary Toxicology. Photo available. Philadelphia. Lea & Febiger. 1970. Octavo. Hard cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Near fine copy (very light shelf wear).

Price: $25	Book ID: 156724

Rajkovic, Ana Malinow, M.D. Manual for (Relatively) Painless Medical Spanish. A Self-Teaching Course. Photo available. Austin. University of Texas Press. 1992. 248 pps. 4to. Soft cover. Stated first edition. Important reference work. Fine copy.

Price: $20	Book ID: 203674

Ramsey, Robert. Men and Mines of Newmont. A Fifty-Year History. Photo available. New York. Octagon Books. 1973. 344 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $25	Book ID: 173014

Ramsey, Robert. Men and Mines of Newmont. A Fifty-Year History. Photo available. New York. Octagon Books. 1973. 344 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $25	Book ID: 191118

Ramsey, Robert. Men and Mines of Newmont. A Fifty-Year History. Photo available. New York. Octagon Books. 1973. 344 pps. 4to. Hardcover. Stated first edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $35	Book ID: 228055

Randhawa, M.S. A History of Agriculture in India. Volume IV. 1947-1981. Photo available. New Delhi. Indian Council of Agricultural Research. 1986. 716 pps. 4to. Hardcover. Stated first edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $85	Book ID: 202686

Ranzi, Carlo. Seventy Million Years of Man; With Illustrations by the Author. Photo available. New York. Greenwich House. 1983. 121 pps. Folio. Hardcover. First edition. Full number line. Illustrated in color and black & white. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $30	Book ID: 213444

Ravensdale, T. Coral Fishes. Their Care and Maintenance. Photo available. London. John Gifford. 1968. 256 pps. Octavo. Hardcover. Revised edition. Illustrated in color and black & white. Important reference work. Very scarce in this condition. Fine copy in near fine dust jacket (in mylar).

Price: $20	Book ID: 103809

Ray, G. Carleton. Wildlife of the Polar Regions. Photo available. New York. Harry N. Abrams. 1981. 4to. Hard cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 150379

Reardon, Mitch, Etosha. Life and Death on an African Plain. Photo available. Cape Town. C. Struik Publishers. 1981. Folio. Hard cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $30	Book ID: 173735

Reardon, Mitch, Zululand. A Wildlife Heritage. Photo available. Cape Town. C. Struik Publishers. 1984. Folio. Hard cover. First edition. Illustrated in black, white and color. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $30	Book ID: 173733

Reddy, Francis. Halley's Comet. Photo available. np. AstroMedia. 1985. 4to. Soft cover. First edition. Illustrated in black, white and color. Folding poster. Very scarce in this condition. Fine copy.

Price: $20	Book ID: 137331

Redfern, Nick. Area 51. The Revealing Truth of UFOs, Secret Aircraft, Cover-Ups & Conspiracies. Photo available. Detroit. Visible Ink. 2019. 422 pps. 4to. Soft cover. First edition. Full number line. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $25	Book ID: 219849

Reed, Clyde F. The Ferns and Fern-Allies of Maryland and Delaware. Including District of Columbia. Photo available. Baltimore. Reed Herbarium. 1953. 286 pps. Octavo. Hardcover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy in near fine dust jacket (in mylar).

Price: $25	Book ID: 195360

Reedy, J.K. et al. Peroxisomes. Biology and Role in Toxicology and Disease. Annals of The New York Academy of Sciences / Volume 804. Photo available. New York. Academy of Sciences. 1996. 801 pps. 4to. Soft cover. First edition. Illustrated. Important reference work. Very scarce in this condition. Fine copy.

Price: $40	Book ID: 226668

Regenstein, Lewis. The Politics of Extinction. Inscribed by the author. The Shocking Story of the World's Endangered Wildlife. Photo available. New York. Macmillan. 1975. Octavo. Hard cover. First edition. Illustrated. Inscribed by the author, full page. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 158458

Reid, Catherine. Coyote. Seeking the Hunter in Our Midst. Photo available. Boston. Houghton Mifflin. 2004. Octavo. Hard cover. First edition. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $20	Book ID: 172763

Reid, Edith Gittings. The Great Physician. A Short Life of William Osler. Photo available. London. Oxford University Press. 1931. 299 pps. Octavo. Gilt decorated hard cover. First edition, second impression. Illustrated. Important reference work. Very scarce in this condition. Fine copy in fine dust jacket (in mylar).

Price: $50	Book ID: 224393