What has the author John Patrick Hubbard written?

Answer 1

John Patrick Hubbard has written:

'Geographic variation in non-California populations of the rufous-crowned sparrow' -- subject(s): Bird populations, Birds, Rufous-crowned sparrow

'Notes on voles (Microtus, famaily Cricetidae) in New Mexico' -- subject(s): Muridae, Voles

'Check-list of the birds of New Mexico' -- subject(s): Birds

'Notes on northern Mexican birds' -- subject(s): Birds, Identification

'The summer birds of the Gila Valley, New Mexico' -- subject(s): Birds