Forel, 1878c PDF: 380 (diagnosis);
Dalla Torre, 1893 PDF: 166 (catalogue);
Bingham, 1903 PDF: 301 (India, Sri Lanka & Burma species key);
Emery, 1913a PDF: 38 (
Engramma diagnosis, catalogue);
Emery, 1913a PDF: 42 (diagnosis, catalogue);
Arnold, 1915: 147 (diagnosis, South Africa species key);
Wheeler, 1922: 201, 208, 209 (
Engramma,
Tapinoma,
Technomyrmex diagnoses);
Wheeler, 1922: 202 (
Engramma species key);
Wheeler, 1922: 922, 925 (Afrotropical
Engramma,
Technomyrmex catalogues);
Wheeler, 1922: 1034 (Malagasy catalogue);
Taylor & Brown, 1985: 106 (Australia catalogue);
Taylor, 1987a PDF: 77 (Australia, New Caledonia & New Zealand checklist);
Shattuck, 1992c PDF: 153 (diagnosis, review of genus);
Shattuck, 1994 PDF: 156 (catalogue);
Bolton, 1995a PDF: 1053 (census);
Bolton, 1995b: 402 (catalogue);
Wu & Wang, 1995a: 118 (China species key);
Collingwood & Agosti, 1996 PDF: 360 (Saudi Arabia species key);
Shattuck, 1999: 83 (Australia synopsis);
Zhou, 2001a PDF: 158 (China, Guangxi species key);
Bolton, 2007b PDF: 1 (all species revision; Afrotropical & West Palaearctic species key: 13; Malagasy species key: 43; East Palaearctic, Oriental, Malesian & Polynesian species key: 59; Austral species key: 108; New World species key: 119);
Fernández & Guerrero, 2008 PDF: 110 (New World synopsis, key);
Terayama, 2009 PDF: 200 (Taiwan species key);
Yoshimura & Fisher, 2011 PDF: 14 (Malagasy males);
Sharaf et al., 2011 PDF: 15 (Arabian Peninsula species key);
Cantone, 2017 PDF: 124 (brief male diagnosis);
Yamane et al., 2018 10.11646/zootaxa.4410.1.2 PDF: 36 (Taiwan species key, male genitalia);
Sharaf et al., 2018 10.3897/zookeys.780.26272 PDF: 39 (Arabian checklist, species key);
Guerrero, 2019 PDF: 718 (Colombia species key);
Perfilieva, 2022 10.1134/S0031030122040086 PDF: 417 (wing diagnosis).