"Halloween Joys." Three jack-o-lantern balloons flown by cats, 1911, Krainik Ballooning Collection

Help us transcribe greeting cards and postcards from the The Krainik Ballooning Collection as part of our #TCGreetings campaign! The Krainik Ballooning Collection contains 112 stereoscopic photographs; 107 photographs; 84 postcards, trade cards, valentines, and similar items; 80 prints; and 23 miscellaneous items all pertaining to 19th and 20th century ballooning