Authors
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) *1954
Edmund Tyrell Artis (Artis) *1789 - †1847
Kazuo Asama (Asama)
Sidney R. Ash (Ash) *1928 - †2019
Gökhan Atıcı fl. 2018
Brian A. Atkinson (B.A.Atk.) fl. 2018
Kevin R. Aulenback (Aulenback) fl. 2000
Aye Thida Aung (Aung)
Nilamber Awasthi (N.Awasthi) fl. 1982
Daniel Isaac Axelrod (Axelrod) *1910 - †1998
Brian J. Axsmith (Axsmith) *1963 - †2020
Direnç Azaz (Azaz)
C.L. Azcuy (Azcuy)
Lundblad, B. (B.)