Leffingwell, Georgia Williams Social and Private Life at Rome in the Time of Plautus and Terence, Volume 81,&Nbsp;Issue 1

Leffingwell, Albert 1845-1916 The Rise of the Vivisection Controversy: a Chapter of History

Leffingwell Ed.D, Jodi L. Choose Love

Oakley Leffingwell Polarized Matte Black/Prizm Black Polarized Matte Black Ink/Prizm Black Polar OneSize

Oakley Leffingwell Polarized Crystal Black/Prizm Deep Water Polarized OneSize

Albert, Leffingwell Leffingwell Record: A Genealogy Of The Descendants Of Lieut. Thomas Leffingwell, One Of The Founders Of Norwich, Conn

Oakley Leffingwell, One Size

Leffingwell, Albert 1845-1916 Does Science Need Secrecy?

Leffingwell, William Henry Scientific Office Management

Leffingwell, Albert An Ethical Problem