The library of John Millington is in the Special Collections Research Center, Swem Library, College of William and Mary.
Various versions of the Millington Prints of the 19th century College of William and Mary campus are in the University Archives Photograph Collection. The wash drawing of the same is in the University Archives Artifact Collection.
Roll of undeveloped photographs taken in Cuba by L.F.B. Blankenship were transferred to the Manuscripts Photograph Collection, 9 February 2012.
All of the artifacts and copper plates that were originally part of Boxes 7-10, 13-15 were transferred to the Manuscripts Artifact Collection (Mss. 1.03), and are in the processing of being described. Artifacts with descriptions include: Watercolor of Sudbury Church (65M59.01), match box (65M59.A02.2), name plate (65M59.A02.4), ivory seal (65M59.A02.7), porcelain lids (65M59.A02.8a), small cup (65.M59.A02.8b), broken bowl (65M59.A02.8c), clay mortars (65M59.A02.8d), fish painting on glass (65M59.A02.8e), bronze powder (65M59.A02.8f)