]> Botany Buch, Hans Robert Viktor, Evans, Alexander William & Verdoorn, Frans Buch, Hans Robert Viktor, Evans, Alexander William & Verdoorn, Frans H. Buch, A. Evans & Verdoorn Buch, H. R. V., Evans, A. W. & Verdoorn, F. Hans Robert Viktor Buch, Alexander William Evans & Frans Verdoorn H. R. V. Buch, A. W. Evans & F. Verdoorn