File Roof plan [with notes] : Study A and B, 10-20-39. Also marked #6. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Alterations of upper floors : eighth floor plan [with notes and measurements] : Study B, 10-20-39. Also marked #9. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Alterations of upper floors : ninth floor plan [with notes and measurements] : Study B, 10-20-39. Also marked #8. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Alterations of upper floors : tenth floor plan [with notes and measurements] : Study B, 10-20-39. Also marked #7. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Alterations of upper floors : [showing a longitudinal section thru center lines of building looking south, transverse section looking west, and an exterior elevation showing the original mansard roof, with notes] : Study B, 10-20-39. Also marked #10. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File [Study for eighth floor showing a floor plan]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File [Study for ninth floor showing a floor plan]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File [Study for tenth floor showing a floor plan]. Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Preliminary study : proposed alteration on ground floor [showing a plan], 9/17/1940 Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941
File Preliminary study : proposed alteration on mezzanine floor [showing a plan], 9/17/1940 Online In: William Muschenheim papers, 1923-2004 (majority within 1951-1985) » Project Files » Astor Hotel » [Hotel Astor (New York, N.Y.). Alterations and additions] » Drawings, #.02654-.03047, 1913, 1939-1941