Authors
Krishna Ambwani (Ambwani) *1943
Anatoly R. Ananev (Ananev) *1911 - †1992
Heidi Marguerite Anderson (H.M.Anderson) *1944
John Malcolm Anderson (J.M.Anderson) *1943
Ken B. Anderson fl. 2020
Gábor Andreánszky (Andr.) *1895 - †1967
George W. Andrews (G.W.Andrews) *1929
Henry Nathaniel Andrews (H.N.Andrews) *1910 - †2002
Ana Andruchow-Colombo (Andruchow-Colombo) fl. 2018
Emanuel Antonescu (Antonescu)
PE APA (APA)
Sebastián Apesteguía (Apesteguía) fl. 2017
Mitsuru Arai (M.Arai) fl. 2018
Ana M. Arbazua (Arbazua) fl. 2018
Edward Alexander Newell Arber (E.Arber) *1870 - †1918
Sergio Archangelsky (S.Archang.) *1931
Chester Arthur Arnold (C.A.Arnold) *1901 - †1977
Analía Emilia Eva Artabe (Artabe) fl. 2018
Edmund Tyrell Artis (Artis) *1789 - †1847
Kazuo Asama (Asama)