John Grehan: публикации по вопросам панбиогеографии
John Grehan: список публикаций по вопросам панбиогеографии
John Grehan. 2013. Into the Storm: A personal retrospective on panbiogeography
J.R. Grehan. 2017. Biogeographic relationships between Macaronesia and the Americas
J. Grehan. 2017. Book Review: "Biogeography Comes of Age Down Under"