[4] Before joining the Courtauld Institute he was Reader in the History of Art at Manchester University[1] from 1971 to 1990.
[5] Photographs taken by Crossley are held in the Conway Library at the Courtauld Institute, and are currently being digitised.
[6] Matthew Reeve suggests that "from its beginning, Paul Crossley's scholarship offered a wholly catholic vision of late medieval art".
[7] Crossley's PhD thesis focused on the architectural patronage of King Casimir III the Great (1320–80), "research that, to a large extent, introduced the architecture of Poland to British scholarship".
[7] Zoë Opačić and Achim Timmermann edited two Festschrifts in honour of Crossley: Architecture, Liturgy and Identity: Liber Amicorum Paul Crossley (Studies in Gothic Art 1), and Image, Memory and Devotion: Liber Amicorum Paul Crossley (Studies in Gothic Art 2).