Sandton Historical Association Annual Magazine #15, 1991
Contents:
1) Message from the Mayor of Sandton
2) Family Tree [Wilhelmi and Weber families]
3) Driefontein Farmhouse - Saved at last by Avril Reid
4) Tribute to Mrs. Elsa Wilhelmi by Juliet Marais Louw
5) Driefontein - 150 Years of Change by Dr. Jane Carruthers
6) Driefontein Land Transactions
7) Adolf and Elsa Wilhelmi: Sandton Pioneers by Dr. Jane Carruthers
8) I knew Freya Weber by Juliet Marais Louw
9) Max Weber (1) - The Man by Avril Reid
10) Max Weber (2) - The Diary 31 by Vincent Carruthers
11) The Restoration of Driefontein Farmhouse by Chris Bester, B.Arch(Pretoria)