1942 / 1944 2 volumes. 72, 116 p., 14, 9 figs, 4, 13 pls, large 4to, plain green cloth (spine discoloured). Some slight scattered foxing. Mededelingen van de Geologische Stichting.
1944 116 p., 13 plates with photos, large 4to, papwerbound (upper end spine worn). The title is a bit misleading as Pyramidellidae are included too. With new taxa. Fine illustrations. Published in Mededelingen van de Geologische Stichting.
1944 116 p., 9 figs, 13 pls, large 4to, paperbound. Published in: Mededelingen van de Geologische Stichting. Good copy.
1944 116 p., 9 figs, 13 pls, large 4to, paperbound (spine taped). Published in: Mededelingen van de Geologische Stichting.
1960 300 p., num. figs, 4to, original cloth. Published in: Verhandelingen van het Koninklijk Nederlandsch Geologisch-Mijnbouwkundig Genootschap. Ex library Dr. J. Stock (with his stamp).
1960. 300 p., num. figs, 4to, original cloth. Published in: Verhandelingen van het Koninklijk Nederlandsch Geologisch-Mijnbouwkundig Genootschap. Library stamp.
1958 34 p., 1 fig., 1 tab., 10 pls, roy. 4to, paperbound. With author's dedication to Dr. A. Brouwer.
1958 34, 10 p., 1, 5 figs, 1 tab., 10 pls, roy. 4to, paperbound. Library stamps.
Bruxelles, 1958. Large 4to. Orig. printed wrappers. 34 pp., 10 plates in phototypie, 1 large folded table.
(Institut Royal des Sciences Naturelles de Belgique. Memoire No 111).
1940 143 p., 55 figs, 2 pls, boards. Thesis. Library stamps.
1973 68 p., 18 figs, 14 pls, paperbound. ZV123.
1940 143 p., 55 figs, 2 pls, paperbound.
1940 143 p., 55 figs, 2 pls, paperbound. Thesis. With author’s dedication to L. Feugueur.