Papers in avian paleontology honoring Hildegarde HowardHildegarde Howard, Kenneth E. Campbell · First published 1980Open the Tome
Fossil birds from tertiary marine beds at Oceanside, San Diego County, California, with descriptions of two new species of the genera Uria and Cepphus (Aves, Alcidae)Hildegarde Howard · First published 1982Open the Tome
Late Miocene marine birds from Orange County, CaliforniaHildegarde Howard · First published 1978Open the Tome
Postcranial elements of the extinct condor Breagyps clarki (Miller)Hildegarde Howard · First published 1974Open the Tome
Tertiary birds from Laguna Hills, Orange County, CaliforniaHildegarde Howard · First published 1968Open the Tome
Additional avian records from the Miocene of Sharktooth Hill, CaliforniaHildegarde Howard · First published 1966Open the Tome
Fossil birds; with especial reference to the birds of Rancho La BreaHildegarde Howard · First published 1955Open the Tome
Eagles and eagle-like vultures of the Pleistocene of Rancho La BreaHildegarde Howard · First published 1932Open the Tome
A review of the fossil bird, Parapavo Californicus(Miller) from the pleistocene asphalt beds of Rancho La BreaHildegarde Howard · First published 1927Open the Tome
