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**''Douglass & Aikman's Almanack and Register for the Island of Jamaica'' for 1791 and 1793 UIN: BLL01001149175 and UIN: BLL01001149176 . [http://solo.bodleian.ox.ac.uk/permalink/f/89vilt/oxfaleph013355757 Oxford University catalogue entry for this title] for 1785, 1789, 1792, 1794, 1796 and 1820, 1832, 1839, 1840, 1842 (Books not available online).

**''Jamaica, ... De Souza's shipping, railway and general commercial handbook and business directory''. 1912-1916. Series ''De Souza's Commercial Handbook''. BL UIN: BLL01000945952. Cambridge University holds the 1916 edition.

**''The “Mirror” Almanack and general commercial Directory'' [of Trinidad] for 1894, 1897, 1898, 1901, 1904-07, 1910, 1911. BL UIN: BLL01001151064 .

*Books by David Dobson, who is also the author of books available online, see above and below. [https://www.familysearch.org/wiki/en/David_Dobson David Dobson] FamilySearch Wiki.

: Other sources: 1791, 1795 and 1798 editions are available on the library subscription website "Eighteenth century collections online". 1825 edition is believed to be on the Gale library subscription database "The Making of the Modern World". See [[Subscription websites-online newspapers, journals and directories]].

*''The Grenada Handbook, Directory and Almanac''. [https://archive.org/details/grenadahandbook00unkngoog/page/n5/mode/2up 1897] compiled by Edward Drayton, Colonial Secretary. 1897. Second Year of Issue. [https://archive.org/details/grenadahandbook01unkngoog 1902] compiled by The Colonial Secretary. Seventh year of issue. Archive.org.

*[https://ufdc.ufl.edu/AA00000050/00001 ''The Trinidad almanac and public register, for the year of our Lord, 1827''], [https://ufdc.ufl.edu/AA00000050/00001/9j Index]. Digital Library of the Caribbean.

:''The Trinidad Official and Commercial Register and Almanack. Compiled from Official Records, Etc. By Authority''