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All Authors
- George Arbuthnot
(1836–1912) - George C. (George Clifford) Shedd
(1877–1937) - Maikki Friberg
(1861–1927) - Kenyon Cox
(1856–1919) - W. H. R. (William Henry Ricketts) Curtler
(1862–1925) - Jenny Wren
- Martin B. (Martin Bronn) Ruud
(1885–1941) - Mr. (Lewis) Theobald
(1688–1744) - Antoine Simon Maillard
(d. 1762) - Elizabeth Elstob
(1683–1756) - Henry Coppée
(1821–1895) - Walter H. (Walter Herbert) Rich
(b. 1866) - Mary Alice Walton
- Miss Lovechild
- W. J. (William John) Townsend
(1835–1915) - David Rowlands
(1836–1907) - Alfred Rowland
(1840–1925) - George Milligan
(1860–1934) - H. Elvet (Howell Elvet) Lewis
(1860–1953) - J. G. (John Gershom) Greenhough
- J. Morgan (James Morgan) Gibbon
(1855–1932) - T. Phelan
- J. H. (John Hays) Gardiner
(1863–1913) - Charles A. (Charles Albert) Murdock
(1841–1928) - Amir Khusraw Dihlavi
(d. 1325) - George Washington Crile
(1864–1943) - Ernst Ludwig Rochholz
(1809–1892) - Elihu Burritt
(1810–1879) - D. L. (David Leslie) Murray
(1888–1962) - Lopez and Hamilton's Kings of Harmony
- Oxonian
- William Hayley
(1745–1820) - Alfred Carmichael
(1874–1963) - George Whale
- Nuttall Ornithological Club
- Anna Schaeder
(1867–1948) - Barbara McLaren
(1887–1973) - W.E. Hill & Sons
- Howard H. Quint
(1917–1981) - Henry William Clarke
- Henry Albert Phillips
(1880–1951) - Erwin Freundlich
(1885–1964) - England) Dickens Fellowship (London
- Augustus E. (Augustus Ely) Silliman
(1807–1884) - Oliver C. (Oliver Cummings) Farrington
(1864–1933) - Franz Wiedemann
(1821–1882) - James Hume-Cook
(1866–1942) - August Riechers
(1836–1893) - Zsigmond Justh
(1863–1894) - Annie Longfellow Thorp
(1852–1931) - Josephine Ludlow Palmer
- Ernst Cohn-Wiener
(1882–1941) - A. C. (Alfred Carlton) Gilbert
(1884–1961) - Carl E. (Carl Emil) Seashore
(1866–1949) - Oscar K. (Oscar King) Davis
(1866–1932) - Charles Octavius Boothe
(1845–1924) - Virginia Baker
- Kenneth Honea
- Robert Hamerling
(1830–1889) - L. G. Chiozza (Leo George Chiozza) Money
(1870–1944) - Anthony Euwer
(1877–1955) - Francesco Mastriani
(1819–1891) - J. (Juan) Givanel Mas
(1868–1946) - Henry Guth
- Daniel McGilvary
(1828–1911) - Lily Hardy Hammond
(1859–1925) - Bruno Hans Bürgel
(1875–1948) - Edward P. (Edward Pruden) Thompson
- Arturo Cancela
(1892–1957) - Magnus Hirschfeld
(1868–1935) - Lillian Chester
(1887–1961) - Ray H. Mattison
(1903–1980) - John Cary
- James Herman Van der Veldt
(b. 1893) - Frank Charles Bostock
(1866–1912) - Rebecca Deming Moore
(b. 1877) - Virginia Clay-Clopton
(1825–1915) - Edward M. Riley
(b. 1911) - Clayton Mackenzie Legge
- Jean-Pierre Zanen
(1878–1953) - Harold Acton
(1904–1994) - J. W. (James Walton) Shepherd
(1861–1948) - J. C. (John Carl) Flugel
(1884–1955) - Edward Clarence Farnsworth
- Ellis Cornelia Knight
(1757–1837) - Katherine Chandler
(1865–1930) - W. O. von Horn
(1798–1867) - Edward S. Mogg
- Edward Armitage
(1817–1896) - William Constantine Beecher
(b. 1849) - Franklin K. (Franklin Knowles) Young
(1857–1931) - Charles Marjoribanks
(1794–1833) - Robert Austin
(1895–1973) - Harold Jacoby
(1865–1932) - Julian F. Grow
- Béla Révész
(1876–1944) - H. G. (Hugh George) Durnford
- Alonso de Villegas
(b. 1534) - Hester Donaldson Jenkins
(1869–1941) - William H. Osborne
- Martin Dobrizhoffer
(1717–1791) - William Coxe
(1747–1828) - Axel Gabriel Ingelius
(1822–1868) - Alfred Wiedemann
(1856–1936) - John Henry Quinn
(1860–1941) - St. John Hankin
(1869–1909) - Harold Russell
(b. 1868) - Henry Atkinson