| Article regarding the interbang entitled "Typists and Printers Have New Symbol", from Grand Valley, Colorado News, dated Jan. 11, 1974. |
| Article regarding the interbang entitled "Local Artist Fills Punctuation Gap", from Detroit Free Press, Aug. 14, 1967. |
| Article regarding the interbang entitled "Esquire's Seventh Annual Dubious Achievement Awards for 1967". |
| Articles regarding new typeface including the interbang entitled "ITF Introduces Americana" from Mid-Atlantic Graphic Arts Review, Apr. 3, 1967; untitled from 10-2 Book Production Industry dated Apr. 1967; and "New serif sakes its mark as American Beauty Bows" From Graphics:USA, May 1967. |
| Cartoon regarding the interbang entitled "Pixies" dated 1968. |
| Advertisement using the interbang entitled "what . . . back-to-school already" from The South Bend Tribune, dated Aug. 20, 1967. |
| Advertisement showing the interbang of United Transparencies Incorporated dated prior to 1974. |
| Article regarding the interbang entitled "Enter the Interbang" dated Apr. 1967. |
| Advertisement showing the interbang of Deers Incorporated dated prior to 1974. |
| Article mentioning the interbang from Mar. 4, 1991 PC Week magazine, p. 69. |
| Four pages from a "Royal Composing Room" typebook showing a typeface family (Americana) with an interabang. |
| Four pages from an ArtintypeMetro typebook showing a typeface family (Americana) with an interabang. |
| Two character layout sheets (20 pages) for fonts from the Leonard Storch Enterprises, Inc. type company. |
| Assorted Pi Window characters (6 pages) for Alphatype fonts (circa 1975) made by the Leonard Storch Enterprises, Inc. type company. |
| Allied Linotype Digital Typoface Directory; p. 198; Universal Math No. 6. |
Patent Grant
D421041
