- CollectionErne.gru - Ernest A Grunsfeld, Jr. Collection
- File#3005 - House for Mr. M.B. Haessler, Ravinia, Ill. E.A. Grunsfeld Jr. 1930
- ItemSheet 1 - Plans, Haessler House. Hardline on paper. 6-6-30.
- ItemSheet 2 - Elevations. Hardline on paper. 6-6-30.
- ItemSheet 3 - Scale details. Hardline on paper. 6-6-30.
- ItemSheet 4 - Misecellaneous Scale and Full Scale Details. Hardline on paper. 6-6-30.
- ItemSheet 5 - Revisions in Living Room. Hardline on paper.6-6-30.
- 9 more...
