Astronomy, as it is known at the present day : to which is added,a supplement, containing an account of the nature and use of astronomical instruments, the manner of calculating the notes of the calendar, the distances and magnitudes of the planets, and a number of other useful and interesting calculations in astronomy /

Mode of access: Internet.

Seniors in national and community service : a report prepared for the Commonwealth Fund's Americans over 55 at Work Program /

"April 1994."