Johnston, Stephen.. "Like Father, Like Son?". John Dee: Interdisciplinary Studies in English Renaissance Thought. International Archives of the History of Ideas/Archives internationales d'histoire des idées. Vol. 193., 2006 — 65-84-bet. DOI:10.1007/1-4020-4246-9_4. ISBN ISBN 1-4020-4245-0..
Johnston, Stephen.. "Like Father, Like Son?". John Dee: Interdisciplinary Studies in English Renaissance Thought. International Archives of the History of Ideas/Archives internationales d'histoire des idées. Vol. 193., 2006 — 65-84-bet. DOI:10.1007/1-4020-4246-9_4. ISBN ISBN 1-4020-4245-0..