Magnets
Description: https://commons.wikimedia.org/wiki/File:Alfred_Choubrac_-_Les_Sisters_Barrison.jpg Alfred Choubrac - Les Sisters Barrison. Folies Bergère. Poster, 31.5 X 47.5 circa 1895 by Alfred Choubrac (1853-1902). This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.
Description: https://commons.wikimedia.org/wiki/File:Andrews_Sisters_Billboard_3.jpg The Andrews Sisters from an ad on page 155 of Billboard 1944 Music Yearbook. This advertisement (or image from an advertisement) is in the public domain because it was published in a collective work (such as a periodical issue) in the United States between 1926 and 1977 and without a copyright notice specific to the advertisement.
Description: https://commons.wikimedia.org/wiki/File:The_Boswell_Sisters.jpg English: The Boswell Sisters, Vet, Martha, and Connie, in the 1932 Radio Album: Life Stories and Portraits of the Radio Stars, New York City: Syndicate Publishing Company, Inc. (page 25). Unknown photographer. This work is in the public domain because it was published in the United States between 1926 and 1963, and although there may or may not have been a copyright notice, the copyright was not renewed.
