Two new subspecies of birds from New GuineaErnst Mayr, Austin Loomer Rand, Richard Archbold, Rollo Howard Beck · First published 1936Open the Tome
Whitney South Sea Expedition of the American Museum of Natural HistoryRollo Howard Beck · First published 1930AdventureOpen the Tome
Water birds of the vicinity of Point Pinos, CaliforniaRollo Howard Beck · First published 1910Open the Tome
