Empire State Building observatory.
- publisher: [New York, N.Y. : Empire State Building Co.]
- creator: Rand McNally and Company
- contributor: Rand McNally and Company.
- Keyword: Empire State Building (New York, N.Y.)
- years: 195-]
- pages: 1 folded sheet ([3] p.) :
- notes: Title from cover when folded.
- download: pdf file