1. Brachiopods of the Henryhouse Formation (Silurian) of Oklahoma;Amsden T. W.;Journal of Paleontology,1951
2. Some notes on the Pentameracea, including a description of one new genus and one new subfamily;Amsden T. W.;Washington Academy of Sciences, Journal,1953
3. Articulate Brachiopods of the St. Clair Limestone (Silurian), Arkansas, and the Clarita Formation (Silurian), Oklahoma
4. Late Ordovician and early Silurian articulate brachiopods from Oklahoma., Southwestern Illinois, and eastern Missouri;Amsden T. W.;Bulletin of the Oklahoma Geological Survey,1974
5. The Llandovery enteletacean brachiopods of the central Oslo Region, Norway;Baarli B. G.;Palaeontology,1988