- CollectionD - University Archive Miscellaneous Donations (D-Numbers)
- SeriesD467 - Deposit relating to Gertrude Mayer, St Mary's student 1906 - 1908
- SubseriesD467/4 - Leonard Joseph Mayer
- FileD467/4/2 - Letters
- 3 more...
- ItemD467/4/2/4 - Letters from Leonard Mayer to his brother Arthur and mother Mrs Mayer
- ItemD467/4/2/5 - Letter from Leonard Mayer to his mother Mrs Mayer
- ItemD467/4/2/6 - Letter from Leonard Mayer to his brother "Ted" [Edwin Frederick Mayer] who was living in New York
- ItemD467/4/2/7 - Letter from Leonard Mayer to his mother Mrs Mayer
- ItemD467/4/2/8 - Letter from Leonard Mayer to his mother and father Mr and Mrs Mayer informing them of his injuries
- ItemD467/4/2/9 - Book with transcribed copies of letters written by Leonard Mayer to his family