Foraminiferal collections of L. Rutten
Collection to Rutten, L. (1914). Neue Fundstellen von tertiären Foraminiferen in Ost-Borneo. Chapter 4 in: L. Rutten. Studien über Foraminiferen aus Ost-Asien, pp. 238-325, Plates XXI-XXVII. Sammlungen des geologischen Reichs-Museums in Leiden. Serie I, Bd. IX. E.J. Brill, Leiden.
A collection of 55 objects comprising sedimentary rock specimens, selected (picked) foraminifera from washed residues, and 2 thin sections. A type-written list of samples is with the collection.