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The Types Of Lambrecht's Fossil Bird Genera, Pierce Brodkorb May 1952

A Nesting Of The Double-Toothed Kite In Panama, Robert M. Laughlin May 1952

Occurrence Of The Skua In Southern California, William R. Lasky May 1952

The Jaws Of The Cretaceous Toothed Birds, Ichthyornis And Hesperornis, Joseph T. Gregory Mar 1952

Leconte Sparrow In Western Montana, David E. Davis Mar 1952

A Second November Nest Of The California Thrasher, John Davis Mar 1952

Winter Record Of The Warbling Vireo In California, Robert A. Norris, David W. Johnston Mar 1952

Cooper Club Meetings, The Condor Mar 1952

Cooper Club Meetings, The Condor Jan 1952

Additional Records Of The Rough-Legged Hawk In Nevada, Ned K. Johnson Jan 1952

Waterfowl Records For North-Central Colorado, Jack R. Grieb, Ronald A. Ryder Jan 1952

Cock Roosts Of Nighthawks, Robert K. Selander, Sherman J. Preece Nov 1951

A Fatal Meal For A Young Robin, Stanley G. Jewett Nov 1951

The Chinese Spotted Dove At Bakersfield, California, Ronald T. Reuther Nov 1951

Back Matter (Pdf), The Condor Nov 1951

Cooper Club Meetings, The Condor Nov 1951

Body Temperature And Breathing Rats In A Nighthawk, Pierce Brodkorb Nov 1951

On The Supposed Identity Of Emberiza Hyperborea Pallas With Pipilo Fuscus Swainson, Erwin Stresemann Sep 1951

The Status Of Rough-Legged Hawks In Idaho, Richard D. Porter Sep 1951

Caprimulgus Ridgwayi In Michoacan, Mexico, George Miksch Sutton Sep 1951

Short-Eared Owl Eaten By Horned Owl, Merlin L. Killpack Sep 1951

Back Matter (Pdf), The Condor Sep 1951

The Lucifer Hummingbird In The United States, Walter P. Taylor, Allan J. Duvall Jul 1951

A Quail From The Oligocene Of Colorado, Harrison B. Tordoff Jul 1951

A Summer Record Of The Great Gray Owl In Oregon, Stanley G. Jewett Jul 1951

Birds Of The Southern Willamette Valley, Oregon, Gordon W. Gullion May 1951

White-Faced Glossy Ibis And Long-Billed Curlew In Western Colorado, A. Sidney Hyde Mar 1951

Results Of The Pacific Gull Color-Banding Project, Angus M. Woodbury, Howard Knight Mar 1951

Lark Bunting In Uintah Basin, Utah, Merlin L. Killpack Mar 1951

Variation In Skeletal Measurements Of The Common Murre, William Goodge Mar 1951