
Johann Daniel Preissler's book on human proportions was based on his study of antique statuary.
The images here are from a book of photographs of drawing done by students at the National Academy of Design in New York City (
nationalacademy.org) in 1871-1872. You can see the care the students put into this work which was an important part of their education.

Another example of drawing from the cast, assumed to be a 19th century French example.
An example of a drawing of the Aphrodite of Milo, better know as Venus de Milo, thought to be the work of Alexandros of Antioch.
Brussels School, 19th Century.
Cast Drawing Using the Sight-Size Approach
at Amazon.com.
Lessons on Shading
Charles Bargue wrote a well known and well used book on drawing which was based on the study of classical casts, and progressed from casts, to examples of master drawings to drawing from the living model. A show of the complete set of engravings was mounted at the
Dahesh Museum of Art.
Charles Bargue and Jean-Leon Gerome: Drawing Course
Charles Bargue et Jean-Leon Gerome. Cours de dessin (French Edition)
Some other examples: