Includes 23 category cards (20 x 18 cm.), each with ms. title listing a pattern category (e.g. Triangles & zig zags, Blue words on white, etc.)., Includes 3 table of contents cards (20 x 18 cm.), listing in ms. all 23 categories and the number of cards found in each one., and Includes 522 cards (18 x 18 cm.), pasted on each of which is a cut section from the interior of an envelope; each card has printed title: Envelope interior number [blank]. Cards numbered in ms. from 1 to 522.
18 x 18 cm. + 1 box (23 x 20 x 37 cm.)  leaves
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