The Descriptive Catalog dates from 1922 or 1923 and consists of 44 pages, not including the covers. The first 14 pages talk about the ML in general; pp. 15-36 consist of lengthy descriptions of each ML title (4-5 per page), and it ends with a numerical list of the series. It's one of the most detailed ML catalogs that B&L published.

This same catalog was reported to ModernLib dated both to 1922 and 1923.

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