found: Work cat.: Nichols, Grace. I have crossed an ocean : selected poems, 2010:p. 4 of cover (born and educated in Guyana)
found: Nichols, Grace. Picasso, I want my face back, 2009:p. opp. t.p. (born and educated in Guyana; moved to Britain in 1977) p. 4 of cover (came to Britain from Guyana at the age of 27)
found: D'Aguiar, Fred. Continental shelf, 2009:prelim. p. (born in London to Guyanese parents and grew up in Guyana)
found: The world factbook, via WWW, Feb. 9, 2016(Guyana. Location: Northern South America, bordering the North Atlantic Ocean, between Suriname and Venezuela. Nationality: noun: Guyanese (singular and plural), adjective: Guyanese. Languages: English (official), Guyanese Creole, Amerindian languages (including Caribbean and Arawak languages), Indian languages (including Caribbean Hindustani, a dialect of Hindi), Chinese)
found: Dickson, P. Labels for locals, 2006(Guyana (Cooperative Republic of Guyana; formerly British Guiana: Guyanese (both singular and plural), which is also an adjective)
found: Names of countries and their capital cities including adjectives of nationality and currency units, 2001(Guyana. Adjective of nationality: Guyanese; French: guyanien)
found: Le petit Robert des noms propres, 2014(Guyana: Guyaniens)
found: Esposito, Joshua David. The Cold War and decolonization in British Guiana : the Anglo-American intervention and Guianese nationalist politics, ©2010.
found: Guianese poetry, ©2010(series: The Guyana classics library)
found: Alaimo, Peter Anthony. The Venezuelan-British Guianan boundary dispute, 1977.
found: Merriam Webster online, April 6, 2016:British Guianese (noun; a native or inhabitant of British Guiana (Guyana); also British Guianan)