“Isabella was designed by Hermann Ihlenburg in 1892 for MacKellar, Smiths and Jordan. [Patent, Nov. 1892]

Released by Genzsch & Heyse and Stempel c.1880. Also offered by AG für Schriftgießerei u. M. (Kolumbia) and Woellmer (Mignon). [Wetzig 1926–40]

As testimony to its long-lived appeal, Isabella was one of the first PostScript® language typeface releases (in 1988) of Agfa Compugraphic.” — Adobe