Adelard of Spoleto died in 824.

Adelard Lafrance died in 1995.

Adelard Lafrance was born in 1912.

Adelard Guillemette has written:

'Novembre 1995'

Adelard has written:

'Incipit prologus Adelardi Bathoniensis in suas questiones naturales perdifficiles' -- subject(s): Natural history, Science, Early works to 1800, Pre-Linnean works

'Adelard of Bath, conversations with his nephew' -- subject(s): Early works to 1800, Science, Hawks, Philosophy

'Quaestiones naturales' -- subject(s): Medieval Science, Science, Medieval