The research papers contain genealogy and photographic record of portraits of the Vernatti family, compiled and presented by Frederik van Kretschmar to Mrs M Noel, 1959-1961, and to Sir John Guinness (date unknown). The material is organised in nine folders (assumed to have been arranged thus by NPG staff on acquisition), the contents of the folders are as follows:
Folder 1 - Letter to Mrs Noel from Frederick van Kretschmar, introducing himself and giving details of his research on the Vermatti family and portraits, 31 Aug 1959
Folder 2 - Genealogy of the Vernatti family with index, compiled by F. G. L. O van Kretschmar, Westcott House, Cambridge, Summer 1959
Folder 3 - Tabular synopsis of the genealogy
Folder 4 - Translation with added footnotes of a manuscript chronicle of the Vernatti family by Sir Louis Philibert Vernatti (1628-1669), in the Kretschmar family archives
Folder 5 - Photographs of Vernatti portraits in the possession of the Kretschmar family in Holland
Folder 6 - Hand written account, "The Vernatti Portraits, who they were, and whence they came." Presented to Mrs Elizabeth Noel by Frederik van Kretschmar, July 1961
Folder 7 - Photographs of portraits in the Kretschmar and Noel collections
Folder 8 - Photographs of 17th century portraits, some with links to the Vernatti family and some with handwritten annotations on the back of
Folder 9 - Article 'They Put Their Money into our Land', mentions the Vernatti family and the Noel collection, published in "The Farmers Weekly", 24 December 1952.