File:Stewart Turner in laboratory.jpglicense, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use
File:Redbook-1977-1978 (67GA).pdfThis work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright
File:Redbook-1973-1974 (65GA).pdfThis work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright
File:Redbook-1967-1968 (62GA).pdfThis work is in the public domain in the United States because it was published in the United States between 1929 and 1977, inclusive, without a copyright