- 1Commonplace books of an unknown engineer (CPB)
1825-1837, fonds - 2Commonplace book of an unknown engineer (CPB/1)
1827-1829, item - 3Commonplace book of an unknown engineer (CPB/2)
1829-1831, item - 4Commonplace book of an unknown engineer (CPB/3)
1828-1830, item - 5Commonplace book of an unknown engineer (CPB/4)
1831-1832, item