-
Page Scan of Egg and Nest: vol.05_020501-020525
-
USNM 259504 Empidonax traillii campestris LAT
-
Page Scan of Egg and Nest: vol.07_028226-028250
-
Empidonax traillii campestris, female, Mississippi
-
Empidonax traillii campestris, female, Mississippi
-
Page Scan of Egg and Nest: vol.06_025216-025240
-
Page Scan of Egg and Nest: vol.04_015201-015225
-
Empidonax traillii campestris, female, Mississippi
-
USNM 259504 Empidonax traillii campestris TAG1
-
Page scan of Main Catalog Series: vol.113_565501-565525
-
Empidonax traillii campestris, female, Mississippi
-
Page Scan of Egg and Nest: vol.06_025066-025090
-
USNM 259504 Empidonax traillii campestris TAG2
-
USNM 259504 Empidonax traillii campestris DOR
-
Page scan of Main Catalog Series: vol.025_127851-127875
-
Page scan of Main Catalog Series: vol.026_133701-133725
-
Page scan of Main Catalog Series: vol.031_154551-154575
-
Page scan of Main Catalog Series: vol.031_157551-157575
-
Page scan of Main Catalog Series: vol.113_564501-564525
-
Page scan of Main Catalog Series: vol.039_197126-197150
-
Page scan of Main Catalog Series: vol.037_186576-186600
-
Page scan of Main Catalog Series: vol.041_204151-204175
-
USNM 154599 Empidonax difficilis occidentalis VEN
-
USNM 154599 Empidonax difficilis occidentalis LAT