Spencer Bonsall

Spencer Bonsall is the author of "Computation of Time, and Changes of Style in the Calendar" and "Computation of Time".

Books by Spencer Bonsall

Computation of Ti...
Bonsall, Spencer
Paperback: $7.97

Computation of Ti...
Bonsall, Spencer
Hardback: $24.60

Computation of Ti...
Bonsall, Spencer
Paperback: $9.95

Computation of Ti...
Bonsall, Spencer
Hardback: $19.95