Geographical variation in the canary
Subtitle: Serinus sulphuratus
By: [by] Austin L. Rand.
Series: Fieldiana -- v. 51, no. 8; Publication -- no.1059.; Publication (Field Museum of Natural History) -- 1059.
Publisher: Field Museum of Natural History
Published: 1968
Place of publication: [Chicago]
Subjects: Serinus sulphuratus.; Birds -- Africa.; Birds -- Variation.