Results of bryological field work in the Antarctic Peninsula, austral summer 1968-1969Rudolf Mathias Schuster · First published 1969Open the Tome
A memoir on the family BlepharostomataceaeRudolf Mathias Schuster · First published 1966NonfictionOpen the Tome
An annotated synopsis of the genera and subgenera of lejeuneaceaeRudolf Mathias Schuster · First published 1963Open the Tome
The ecology and distribution of Hepaticae in central and western New YorkRudolf Mathias Schuster · First published 1950Open the Tome
The Hepaticae of the east coast of Hudson BayRudolf Mathias Schuster · First published 1950Open the Tome