- CollectionDX19 - Cotton Family Papers
- SeriesC - Francis Cotton : Family and general correspondence, personal papers : 66 to 133
- Sub-seriesFamily Correspondence
- Item69 - Francis and Anna Maria Cotton
- Sub-item1 - Anna Maria to Francis :1869
- Sub-item2 - Francis to Anna Maria : 1871
- Sub-item3 - Anna Maria to Francis :1872
- Sub-item4 - Anna Maria to Francis : undated
- Sub-item5 - Anna Maria to Francis : undated