by Jorge Groh
by Edgar A. Kroeger
by Pres. P. Horn
by Dr. John E. Groh , O. Elseser , P. Wahler , E. Hiller , Heberto Berndt , Walter A. Garcia , Miguel Klenowsky , and L. D. Bustamante
by Carlos Nagel
by Santiago Roth and Santiago Roth
by Rev. Hector Hoppe
by Waldomiro Maili
by Prof. Claudio L. Flor
by Erico Sexauer
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