- Letter from Joseph Willicombe to Julia Morgan, December 27, 1923 Local Identifier 010-5-e-50-12-13 Date Created 1923-12-27
- Telegram from Joseph Willicombe to Julia Morgan, December 28, 1923 Local Identifier 010-5-e-50-12-14 Date Created 1923-12-28
- Letter from Joseph Willicombe to Julia Morgan, December 12, 1923 Local Identifier 010-5-e-50-12-05 Date Created 1923-12-12