Fred Butter was de schoonvader van H.E. Jonkers en Ph. J. Zwaan.
Ph. J. Zwaan was van 1943 tot en met 1969 verbonden aan Westfriesland.
Ook uitgeverij "De Steenuil" was eigendom van deze familie.
Fred Butter was the father-in-law of H.E. Jonkers and Ph. J. Zwaan.
Ph. J. Zwaan was from 1943 till 1969 in charge of the publishing house.
Also "De Steenuil" was a property of this company.
!!! READERS PLEASE NOTE !!! Tarzan® is the property of Edgar Rice Burroughs, Inc., Tarzana CA This website have been posted as a non-profit bibliographic and biographic reference for ERB scholars, fans and collectors. Material not created by myself has been collated largely from other sites on the web -- and I believe it to be in Public Domain or to fall under the category of "product promotion" or "fair use". Everything has been collated into this on-line repository to promote interest in the works of Mr. Burroughs. If there is any objection to the way in which any of this material has been displayed, or if I have infringed unlawfully on any copyright, I will implement its immediate removal. Ron de Laat