- CollectionErne.gru - Ernest A Grunsfeld, Jr. Collection
- File#4724 - Residence for Mr. Claude Nathan, Highland Park, Ill. Klaber & Grunsfeld Architects. 1924.
- ItemSheet 1 - Attic & Roof Plan. Ink on linen. 8-4-24
- ItemSheet 2 - Elevations, Ink on linen. 8-4-24.
- ItemSheet 1 - Garage & Interior Alterations. Hardline on paper. 10-8-47.
- ItemSheet 2 - Kitchen, Pantry Details. Hardline on paper. 10-8-47.
- ItemSheet 3 - Second Floor Alterations. Hardline on paper. 10-8-47.
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