Lactantius, a. [195].

Lagrange, a. [367], [369], [375], [381], [444]; b. [35], [37], [39].

Lamé, b. [129].

La Hire, a. [439], [463].

Lalande, a. [440], [447].

Lamarck, b. [408], [478], [518].

Lambert, b. [40], [142], [221].

Landen, a. [375].

Lansberg, a. [288], [302], [303].

Laplace, a. [370], &c., [444], [457]; b. [36], [140], [147], [184].