This section is from the "A Complete Dictionary of Dry Goods" book, by George S. Cole. Also available from Amazon: A complete dictionary of dry goods and history of silk, cotton, linen, wool and other fibrous substances,: Including a full explanation of the modern processes ... together with various useful tables.
Sheeting. Bleached or unbleached muslin, woven plain or twilled, ranging in width from 72 to 108 inches; in weight from 2 1/2 to 4 square yards to the pound weight; and in number of threads to the inch from 46 to 88 each way. "Standard " sheeting weighs 2.85 yard to the pound. Pillow-casing ranges in width from 52 to 64 inches. [See Muslin, Appendix "B."]