1. Sloane MS 3547 Reference (shelfmark): Sloane MS 3547 Title: Scope & Content: Mineralogy: Tables of values of diamond.-.: 17th cent. includes: f. 5 Henry Johnson, of Whittington: Memorandum of debt owing to, from J. Heyden: n.d. f. 5 John Heyden, Yeoman, of Whittington: Memorandum of debt of, to H. Johnson: n.d. Collection Area: Western Manuscripts Languages: English Date Range: 17th century Extent: 1 item