Showing 1 - 3 results of 3 for search 'Olrog, Claes Christian 1912- 1985', query time: 0.02s Refine Results
  1. 1

    Observaciones sobre aves migratorias del hemisferio norte / by Olrog, Claes Christian 1912- 1985

    Published 1966
    Book
  2. 2

    Las aves del gran Cuyo. Mendoza, San Juan, San Luis y La Rioja : Guía de campo / by Olrog, Claes Christian 1912- 1985

    Published 1991
    Book
  3. 3

    Las aves argentinas : una guía de campo / by Olrog, Claes Christian 1912- 1985

    Published 1959
    Book