Sent by Zaalberg van Zelst, G. J. & Matla, J. L. W. P., Experimenteel Physisch-Psychologisch Laboratorium, Den Haag [Netherlands] to Alfred Russel Wallace Old Orchard, Broadstone, Dorset on 6 May 1911.
No summary available at this time.
A typical letter handwritten by author in English and signed by author.
An original MS
Total Pages : 4
Pages with text: 2