Below is a Master Index of gems by Marchant that are:
- Listed in Marchant's 1792 Catalogue of One Hundred Impressions
- Listed in the Raspe-Tassie 1791 Catalogue of Tassie Impressions (as noted in the Engravers' Index)
- Listed in the William Tassie Index of Impressions
Not included are those gems listed in the Seidmann article which are not listed in any of the above three sources.
SOURCES: