91-1, April 28-30, 1969. 1969. viii, pp. 1-450 United States. Congress. Senate. Committee on Aeronautical and Space Sciences Published: 1969 Total Pages: 464 Get eBook
1974 Census of Agriculture: State reports. 54 pts. in 59 v United States. Bureau of the Census Published: 1977 Total Pages: 766 Get eBook
