REID, PHILIP SAVILE GREY.
1884--The Birds of Bermuda. 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 Mitteleuropas.
RICH, WALTER HERBERT.
1907--Feathered Game of the Northeast.
RIDGWAY, ROBERT.
1919--The Birds of North and Middle America, vol. 8.
ROBBINS, CHARLES ALBERT.
1919--A Colony of Cape Cod Piping Plover. The Auk, vol. 26, pp. 351–355.
ROBERTS, THOMAS SADLER.
1919--Water Birds of Minnesota Past and Present. Biennial Report of the State Game and Fish Commission of Minnesota, for the Biennial Period Ending July 31, 1918.
ROCKWELL, ROBERT BLANCHARD.
1912--Notes on the Wading Birds of the Barr Lake Region, Colorado. The Condor, vol. 14, pp. 117–131.
ROOSEVELT, ROBERT BARNWELL.
1884--Florida and the Game Water Birds of the Atlantic Coast and the Lakes of the United States.
ROWAN, WILLIAM.
1926–27--Notes on Alberta Waders included in the British List. British Birds, vol. 20, pp. 2–10; 34–42; 82–90; 138–145; 186–192.
1923--Migrations of the Golden and Black-bellied Plovers in Alberta. The Condor, vol. 25, pp. 21–23.
SAMUELS, EDWARD AUGUSTUS.
1883--Our Northern and Eastern Birds.
SANDYS, EDWIN.
1904--Upland Game Birds.
SAUNDERS, ARETAS ANDREWS.
1926--The Summer Birds of Central New York Marshes. Roosevelt Wild Life Bulletin, vol. 3, pp. 335–475.
SCOTT, WILLIAM EARL DODGE.
1892--Observations on the Birds of Jamaica, West Indies. The Auk, vol. 9, pp. 9–15.
SEEBOHM, HENRY.
Life Histories of North American Shore Birds, Part 2 (of 2) · The Wunder Library — complete classics, free to read, with narration.