File [1st floor, north apartment, showing partial plan, partial elevation, and a section] / Louis A. Hornum, R.A., January 22, 1934. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File [Study and perspective view of entrance lobby] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File Perspective view facing elevator : Drawing 1, 6/20/1940 Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File Perspective view facing elevator : Drawing 1, 6-20-40. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File [Plan of (?) also showing markings for alteration] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File [Plan of (?)]. This is the same plan as in 1986.004.00291 showing layout after possible alteration. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File [Partial plan study showing foyer, kitchen, and servants dining rm.] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
File [Partial plan study showing foyer, kitchen, and serv. din. rm.] Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Drawings, #.00270V, .00288-.00294, January 22, 1934, June 20, 1940
Container Papers In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations]
File 840 Park Ave., Lobby, archival: In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Job 19, 830 and 840 Park Avenue » [840 Park Avenue (New York, N.Y.). Alterations] » Papers