on ‘ “CALENDAR, PERPETUAL. - CQBOLEETIONS
 
_ World calendar association, inc. Troe
[Eleven booklets, etc., on calendar reformation, -80 and a chart perpetual calendar] New York [1934-
«332 1938] QL parts;.. 227M. 5 ty
ad rettim, e “Carender ,. eights ‘i
wat . a i") - =, ®\ we i; 2
* Pa % . ot eas vew™ OF dures, .