> Multivolume work
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Text:
North American early Tertiary Bryozoa Text by Ferdinand Canu (Versailles, France) and Ray S. Bassler (Washington, District of Columbia)
Washington: Government Printing Office, 1920
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Plates:
North American early Tertiary Bryozoa Plates by Ferdinand Canu (Versailles, France) and Ray S. Bassler (Washington, District of Columbia)
Washington: Government Printing Office, 1920