File [Axonometric view of house and patio]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 18, $1,000 House » [$1,000 House (location unknown). Design drawings] » Drawings, #.00261-.00264, 1933
File [Floor plan showing furniture lay-out and patio]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 18, $1,000 House » [$1,000 House (location unknown). Design drawings] » Drawings, #.00261-.00264, 1933
File [Floor plan]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 18, $1,000 House » [$1,000 House (location unknown). Design drawings] » Drawings, #.00261-.00264, 1933
File [4 exterior elevations] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 18, $1,000 House » [$1,000 House (location unknown). Design drawings] » Drawings, #.00261-.00264, 1933
Folder Job 19, 830 and 840 Park Avenue Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files
Container [Penthouse, 830 Park Avenue (New York, N.Y.). Alterations] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue
File Proposed [floor plan] : Job #728, A35 / Geo. [George] & Edw. [Edward] Blum, Archts. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [Penthouse, 830 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00265-.00267, May 1, 1933
File [Floor plan showing individual rooms with their assigned numbers and occupant's names] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [Penthouse, 830 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00265-.00267, May 1, 1933
Container [Apartments, 830 Park Avenue (New York, N.Y.). Alterations] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue
File Plan of second floor / Geo.[George] and Edw. [Edward] Blum, architects. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [Apartments, 830 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00268-.00270R, March-June 1933