The Edwards perpetual calendar, a new solution to an old problem, that of a simplified, practical, perpetual calendar, easy to use and easy to remember
The Edwards perpetual calendar, a new solution to an old problem, that of a simplified, practical, perpetual calendar, easy to use and easy to remember, by Willard E. Edwards.
Published
[Honolulu : Printed by Honolulu star-bulletin, ltd., c1943]