Part 4

in Contributions to the Natural History of the Bermudas. Bulletin United States National Museum, No. 25.

REY, EUGENE. 1905--Die Eier der Vögel Mltteleuropas, 2 vols.

RICH, WALTER HERBERT. 1907--Feathered Game of the Northeast.

RIDGWAY, ROBERT. 1880--On a New Alaskan Sandpiper. Bulletin of the Nuttall Ornithological Club, vol. 5, pp. 160-163.

1919--The Birds of North and Middle America,