Multi volume loose-leaf binders of individual card patterns. Available in 1981 or 1982 (c) Sandra Williams.
Outside of binder: Dark red cover with text: “The A to Z of Machine Knitting” in gold.
One binder holds from A to Z - with V and X empty for your “own information which you want to insert under that particular letter”.
Has a two page index (typed and not on matching card), has items 1 to 202, with a welcome letter on page 3.
Cards could be dated 1981/1982 on the front of some cards. Cards are punched with two holes. Cards may be numbered if there are a series of cards dealing with the same topic, however, only the index has numbers.