Casterman continued the publication of the Tintin series with the release of the fourth volume in 1934. Casterman also re-released the third volume in 1934 and the second volume in 1937. Casterman did not release an edition of the first volume until 1981.
Additionally, volumes 2 through 9 were revised from their original black & white publication for second editions in color between 1943 and 1955. Facsimile editions of the black & white volumes were also produced in the 1980's.