The Index is in three parts: Postage Stamps Index; Subject Index; and Author Index.
Each entry is classified as follows:
[E] Editorial;
[R] Review;
[C] Correction/Addition;
[N] Note;
[S] Short articleup to 1 page;
[M] Medium-length article13 pages;
[L] Long articleover 3 pages.
(SWL90)article in the Stamp World London 90 special issue (see Note 6 in the Pagination table).