Full Text Archive of All Online Geological Society of America Special Papers: 1934 to present
IFPNI provides an authoritative online, open-access, community-generated registry of fossil plant nomenclature as a service to the global scientific community. Dynamic data base documents all nomenclatural novelties (new scientific names of extinct organisms) and associated data, including registration of the scientific publications containing nomenclatural acts and authors generated taxonomic literature in palaeobotany and palaeontology in general, and allied disciplines.
Search the Natural History Museum, London for specimens: botany, entomology, mineralology, palaeontology, zoology
Over 4,000 monographic publications in USGS Bulletins series from #2 (1883) to current as downloadable PDF
v.1 (1889) - 55 (1929) of monographic series published by USGS as PDF