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1
Lower Triassic ammonoids of North America, by James Perrin ..
United States congressional serial set ; serial set no. 9409;House document / 71st Congress, 3rd session. House ; no. 725
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2
Upper Triassic marine invertebrate faunas of North America,..
United States congressional serial set ; serial set no. 8613;House document / 69th Congress, 1st session. House ; no. 15
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6
Middle Triassic marine invertebrate faunas of North America..
United States congressional serial set ; serial set no. 6663;House document / 63rd Congress, 2nd session. House ; no. 587
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12
Triassic cephalopod genera of America, by Alpheus Hyatt and..
United States congressional serial set ; serial set no. 5004;House document / 59th Congress, 1st session. House ; no. 196
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14
Monographs of the United States Geological Survey. Volume X..
United States congressional serial set ; serial set no. 4512;House document / 57th Congress, 2nd session. House ; no. 219