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Index to North American geology, paleontology, petrology, and mineralogy for the year 1892 - 1900, inclusive

Weeks, Fred B. (Washington: Government Printing Office, 1902)

Bibliography and index of north American geology, paleontology, petrology and mineralogy for the year 1901

Weeks, Fred B. (Washington: Government Printing Office, 1902)

Bibliography and index of North American geology, paleontology, petrology, and mineralogy for the year 1904

Weeks, Fred B. (Washington: Government Printing Office, 1905)

Bibliography of North American geology, paleontology, petrology, and mineralogy for the year 1892 - 1900, inclusive

Weeks, Fred B. (Washington: Government Printing Office, 1902)

Bibliography of North American geology for 1906 and 1907 with subject index

Weeks, Fred B.; Nickles, J. M. (Washington: Government Printing Office, 1909)

Bibliography and index of North American geology, paleontology, petrology, and mineralogy for the year 1898

Weeks, Fred B. (Washington: Government Printing Office, 1899)

Bibliography and index of North American geology, paleontology, petrology, and mineralogy for the year 1902

Weeks, Fred B. (Washington: Government Printing Office, 1903)

Bibliography and index of north American geology, paleontology, petrology and mineralogy for the year 1894

Weeks, Fred B. (Washington: Government Printing Office, 1896)

Bibliography of North American geology, paleontology, petrology, and mineralogy for 1892 and 1893

Weeks, Fred B. (Washington: Government Printing Office, 1896)

Bibliography and index of north American geology, paleontology, petrology, and mineralogy for the year 1897

Weeks, Fred B. (Washington: Government Printing Office, 1898)

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