Analysis of information sources in references of the Wikipedia article "Mary Roberts (author)" in English language version.
citing: [Jackson's Guide to Literature of Botany, 1881; Smith's Catalogue, ii. 500; Ann. Monitor, 1832, p. 40; Montgomery's Life, vii. 123, 288; Registers at Devonshire House; Fosbrooke's Hist. of Gloucestershire, ii. 484; Brit. Mus. Cat.]