Die OrchideenRudolf Schlechter, Friedrich Gustav Brieger, Karlheinz Senghas · First published 1970Open the Tome
Races of maize in Brazil and other eastern South American countriesFriedrich Gustav Brieger · First published 1958Open the Tome
Linkage between a flower color factor and self-sterility factorsFriedrich Gustav Brieger, Albert J. Mangelsdorf · First published 1926Open the Tome
