is an index for Volumes 1-and Number 4 of Volume 45 is an index for Volumes 27-45. These twc< indexes may be purchased together for $170. Number 4*>fVolume 55j is a cumulative index for Volumes'27-55 (it includes the"index published in Volume 4$, Number,^, except for listings ofreviews .. by subject, which has been discontinued), It may be purchased as a single issue for $70. Members of the Association may purchase back volumes for their personal use at a 50%>diseount. A revised edition of -A

more »

... bliography of Symbolic Logic by Alonzo Qmrch may be purchased separately; the price is $17 for members and $34 for nonmembers. ' " >-• , ---, \"~ Requests for information, applications for membership, orders for back volumes, business correv