Woman juggling six hearts from the series Heart Lady (Coeur Dame) by Raphael Kirchner, 1898 - greeting card

I've got a wife, 1882 - greeting card

Interior with Couple and Screen (Intimacy) by Felix Vallotton - 1898

The Kiss in Bed by Toulouse Lautrec - c.1892

Love Flight of a Pink Candy Heart by Florine Stettheimer - 1930

The Kiss by Edvard Munch - 1895

Lovers by Egon Schiele - c. 1909

Passion by Floris Arntzenius - c.1893

Couple Embracing by Madeleine St. Clair - c.1940

New Dreams of Happiness (from the series A Love) by Max Klinger, c. 1890

Woman in profile smoking and blowing heart-shaped smoke puffs, from the series The Favorite La Favorite (The Favorite) by Raphael Kirchner, 1900 - greeting card

Woman and a train, from the series To Love Um die Liebe To Love by Raphael Kirchner, 1899 - greeting card

Ace of Hearts from the series Her Youth (Kanojo no seishun) by Kobayashi Kaichi (Japanese, 1896–1968) - postcard

Lovers by Koloman Moser - Greeting Card

The Hare Caught by Les Métamorphoses du Jour by J.J. Grandville - 1829

Rebus on Love by Stefano della Bella, 1620 - 1664

Two Lovers by Reza Abbasi, 1630

Les Incompris by André Devambez, 1903

The Ill-Matched English Lovers by Lucas Cranach the Elder, 1489

The Ill-Matched Lovers by Lucas Cranach the Elder - 1489

I Cannot! It Would Be a Sin A Fearful Sin, by Winslow Homer. 1868

Alegoría de la Caridad (Allegory of Charity) by Francisco de Zurbarán - 1655

The Snowdrop by Robert John Thornton - 1807