There are no Babcock Electric car books at present but the vintage vehicles are the subject of 1907 & 1909 magazine articles.
The Babcock Electric Carriage Company was an early 20th century automobile company based in Buffalo, New York. They made electric vehicles under the Babcock brand from 1906 through 1912.
The Motor Magazine Of Canada (October 1909) Babcock Electric Carriage Company Buffalo New York cover advertisement.
Harper's Weekly - The Great Automobile Issue (March 16, 1907) Includes the article "The Electric Motor Of Yesterday and Today" by F.A. Babcock.