1

Onze schilders in pulchri studio, (1880 - 1904)

by: Gram, Johan
Leiden, 1904
Book
2

H. W. Mesdag: zum 23. Februar 1901

by: Gram, Johan
1901
Online-Ausg.. Heidelberg: Univ.-Bibl., 2011
E-Article
3

De schildersconfrerie Pictura en hare academie van beeldende kunsten te 's Gravenhage, 1682-1882

by: Gram, Johan
Rotterdam: Elsevier, 1882
Book
4

Onze schilders in pulchri studio

by: Gram, Johan
Rotterdam: Elsevier, [ca. 1880]
Book
5

Über einige Derivate des p-Diamidodiphenylmethans

by: Gram, Johan F.
1892
Book Thesis
6

Ueberp-Diamidodiphenylmethan

E-Article