Note 17: In Denmark, the Ferd’nand comics had been distributed from the
very beginning by Hjalmar Carlsen and later Per Carlsen's Press and
Illustration Bureau (P.I.B.). See Lars Jakobsen, cited work, pp. 54-88, 54, 55,
56, 61, 62, 63-81, 82, 83-89. On the Ferd’nand series, Mik received assistance
from i.a. Kaj Pindal, Ib Steinaa and Helge Hau. Ib Steinaa took over a
transition series from the always busy Mik. Same place, pp. 141, 141.