David Robert Gray has written:
'The muskoxen of Polar Bear Pass' -- subject(s): Mammals, Muskox
Robert Fred Gray has written: 'The Sonjo of Tanganyika'
Robert Gray Markwood has written: 'The preparation of hypoiodites' -- subject(s): Hypoiodites
Robert Whytlaw Whytlaw-Gray has written: 'Smoke' -- subject(s): Smoke
Robert Gray Gunderson has written: 'The log-cabin campaign' -- subject(s): Election, President, Presidents
David F. Gray has written: 'The observation and analysis of stellar photospheres' -- subject(s): Stellar photospheres
Robert Floyd Gray has written: 'The home teacher in California' -- subject(s): Domestic education, Foreign population
Robert Simpson has written: 'Eight panes of glass' -- subject(s): Fiction 'The gray Charteris'
David Gray has written: 'Letters, poems and selected prose writings of David Gray (Edinburgh, Scotland, 1836. Buffalo, New York, 1888) Ed., with a biographical memoir, by J. N. Larned' 'Letters, poems and selected prose writings'
William David Gray has written: 'Excitability characteristics of nerve tissue subjected to a variety of abnormal environmental changes' 'Biology of the myxomycetes [by] William D. Gray [and] Constantine J. Alexopoulos' -- subject(s): Myxomycetes
David Gray Smith has written: 'Archaeological systematics and the analysis of Iroquoian ceramics' -- subject(s): Antiquities, Pottery, Indians of North America, Iroquoian Indians, Tobacco-pipes, Excavations (Archaeology)
Robert Keith Gray has written: 'Eighteen acres under glass. --' -- subject(s): Politics and government, Social life and customs, Washington (D.C.), White House, White House (Washington, D.C.)
Robert Franklin Hutton has written: 'Studies on the trematode paradites encysted in Florida mullets' -- subject- s -: Gray mullets, Trematoda, Parasites