Index to the subject catalogue of Harvard college library; supplement; additions and corrections 1891-1900.

Mode of access: Internet.

Laboratory arts; a teacher's handbook dealing with materials and tools used in the contruction, adjustment, and repair of scientific instruments,

Mode of access: Internet.

Harvard lectures on Greek subjects,

"Public lectures delivered at Harvard University in April, 1904."--Pref.

Illustrated catalogue of the Museum of Comparative Zoölogy, at Harvard College.

Mode of access: Internet.