I found this thesis today when surfing for archery information. It is worth reading.
"From war to peace: Archery and Crossbow Guilds in Flanders c.1300-1500
By Laura Crombie
PhD Dissertation, University of Glasgow, 2010
Abstract: This thesis engages with a broad range archival source from across Flanders to analyse poorly understood urban groups, the archery and crossbow guilds. The development and continuing importance of the guilds, as military and social groups, and as agents of social peace, will be analysed over six chapters.