^ 12Michael Wright (2 בינואר 2000). "The Marcel wave". The Times. The pressure to read Proust is felt in different ways. Sir Richard Eyre ... confesses that he was shamed into reading the mighty heptalogy by Alan Bennett.{{cite news}}: (עזרה)
^Christopher, Joe R. (2015). "C. S. Lewis's Problem with 'The Franklin's Tale'". In Khoddam, Salwa; Hall, Mark R.; Fisher, Jason (eds.). C.S. Lewis and the Inklings: Reflections on Faith, Imagination and Modern Technology. Newcastle: Cambridge Scholars Press. p. 128. ISBN9781443882965. Lewis had a secret structure to the Narnian heptalogy
^Walter Stauss, review of Warren F. Motte jr., Questioning Edmond Jabès (1990), in Rocky Mountain Review of Language and Literature 46:1/2 (1992), p. 99.
^Fred Inglis (4 בנובמבר 2000). "News as history: history as fiction". Financial Times Books. p. 5. This is the final volume of Vidal's astonishing heptalogy, Narratives of Empire...{{cite news}}: (עזרה)
^"Rinckart (Rinkart), Martin". The New Schaff-Herzog Encyclopedia of Religious Knowledge. Vol. 10. Funk & Wagnalls Company. 1911. p. 41. נבדק ב-2008-02-09. A third drama, the Indulgentiarius confusus, was written..., forming the third part of the author's intended heptalogy on Luther.
^Willard Thorp (1960). American Writing in the Twentieth Century. Harvard University Press. p. 174. Here was stuff, not for a naturalistic trilogy but for a heptalogy! In the four novels which stand complete and in the fragment of a fifth (The Hills Beyond, 1941), Wolfe took one hero, Eugene Gant...
^"Short List". The Village Voice. 18 במאי 1999. Thornton Wilder left this heptalogy of one-acts unfinished at his death in 1975{{cite news}}: (עזרה)
^Michael Moschos (25 בספטמבר 1992). "Obituary: Alexandros Kotzias". The Independent Gazette. p. 31. He completed four in this projected "heptalogy" under the general title "The Children of Kronos"{{cite news}}: (עזרה)