Literature

Axe Catalogs: https://archive.org/details/internationaltoolcataloglibrary?&and[]=subject%3A%22axes%22 Patterns: https://woodtrekker.blogspot.com/2012/03/axe-head-patterns-from-past.html

http://www.traditional-tools.com/axe-tool-pdf-catalog-archives/

Austria Hungary Woodindustry (With Pictures of Axes that were used in the different Regions): https://archive.org/details/oesterreichshol00engegoog/page/n12/mode/thumb http://eprints.edk.oee.hu/247/1/dk_218_engel_ungars_holz-ind_und_holzhandel.pdf

Die Konstruktionsgrundlagen der Axt: https://it1lib.org/book/14792636/ec9605

Axe Bat: https://axebat.com/blogs/news/biomechanical-study-of-the-new-axe-handle-baseball-bats-and-comparison-with-standard-round-knob-bats