- CollectieClackson MSS - Sarah Joanne Clackson Collection
- ReeksClackson MSS 2 - Coptic text collections in Cambridge
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- BestanddeelClackson MSS 2.2 - Ostraca in the Fitzwilliam Museum, University Library, and Leys School
- BestanddeelClackson MSS 2.3 - Cambridge University Library Michaelides Papyri (CUL Michael)
- BestanddeelClackson MSS 2.4 - Sir Stephen Gaselee Bequest Catalogue
- BestanddeelClackson MSS 2.5 - F. W. Green and J. M. Plumley papyri (Coptic, Greek and Arabic) in Cambridge University Library
- BestanddeelClackson MSS 2.6 - Sir Herbert Thompson Archive
- BestanddeelClackson MSS 2.7 - Material concerning various other mainly Coptic collections in Cambridge