« Previous
Next »
Author/Creator
- Cooke, Wells W. (Wells Woodbridge), 1858-19161
- Droege, Sam1
- McCarthy, Michael1
- Mees, G. F.1
- Pacific Southwest Forest and Range Experiment Station (Berkeley, Calif.)1
- Palmén, Johan Axel, Friherre, 1845-19191
- Ralph, C. John1
- Salomonsen, Finn, 1909-19831
- Sauer, John R.1
- Symposium on Monitoring Bird Population Trends by Point Counts (1991 : Beltsville, Md.)1