4. Grässer, Schweizerisch Heldenbuch. Basle 1626. 4ᵗᵒ.
He is the first who showed the resemblance between the legend of Tell and that of Toko.
5. J. Müller, Geschichte der schweizerischen Eidgenossenschaft.
The best edition is that of Leipzig 1825.
6. G. E. Haller, Bibliothek der schweizerischen Geschichte, V, Vol. 4ᵗᵒ.
7. J. Ch. Iselin, Historisches und geographisches allgemeines Lexicon. Basel 1727. Fol.
This author is not to be confounded with J. R. Iselin who edited the old chronicle of Tschudi, and who also examined the legend of Tell.
8. Uriel Freudenberger, Die Fabel von Wilhelm Tell. A manuscript in the Library of Berne, 1752.
To be also consulted a letter of the same to Haller, dated 25th June 1759.
9. L. Häusser, Die Sage vom Tell. Heidelberg 1840. 8ᵛᵒ.