https:// www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=90008692

https:// www.crunchbase.com/organization/bdt-capital-partners

https:// www.crunchbase.com/person/william-bush

https:// relationshipscience.com/person/william-r-bush-4822312

http:// www.gbl.be/en/about

https:// en.wikipedia.org/wiki/Byron_Trott