Lynn Towns again correctly ID's the airplanes in Photo #3 which contains six airplanes of the Curtiss family for 1929.
Click on the images below to enlarge and read more about these stately birds.
Left to right: Condor, Kingbird, Thrush, Robin, Carrier Pigeon, and Fledgling.
Clips from from Aviation Magazine July - Dec, 1929
Thrush at Curtiss Wright factory 1931
Curtiss Robertson Robin
More on Robins
See more extensive information on Curtiss airplanes at aerofiles.com