Arcadia is a fork of Limousine font by OSP http://ospublish.constantvzw.org/foundry/limousine/, which is a fork of the Free Sans, inspired by the typeface Nimbus Sans, which itself is inspired by Helvetica. More info on Loraine Furter blog Specimen http://specimen.meteor.com/of/arcadia
Textbook version is directly inspired by Helvetica Textbook (modified glyphs : 1 / 4 / I / J / f / j / q ).
This Font Software is licensed under the SIL Open Font License, Version 1.1. This license is copied below, and is also available with a FAQ at http://scripts.sil.org/OFL
This font repository follows the Unified Font Repository v2.0, a standard way to organize font project source files. Learn more at https://github.com/raphaelbastide/Unified-Font-Repository