Catalogue of the Bryophyta (hepatics, Anthocerotes and Mosses) and Pteridophyta (ferns and Fern-Allies) Found in PennsylvaniaThomas Conrad Porter · First published 2018Open the Tome
The Life and Times of Ulric ZwingliAndrew Dickson White, Johann Jakob Hottinger, Thomas Conrad Porter · First published 2015Open the Tome
Catalogue of the Bryophta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in PennsylvaniaThomas Conrad Porter · First published 1904Open the Tome
The Pennsylvania-German in the field of the natural sciencesThomas Conrad Porter · First published 1896Open the Tome
Solidago humilis, Pursh, of the eastern states and its alliesThomas Conrad Porter · First published 1893Open the Tome
