1885 – Unbuilt designs for Commodity Exchange, Amsterdam, The Netherlands Competition designs for a commodity exchange in Amsterdam. Illustrated entries by Groll & Ohmann, J.F.L. Frowein, and H.P. Berlage with Theodorus Sanders.
1905 – Peace Palace Competition, The Hague, The Netherlands Architect: Louis M. Cordonnier Andrew Carnegie, the wealthy industrialist, was asked in 1902 to consider sponsoring offices and a library for the Permanent Court of Arbitration.