Bruxelles - Liège, Decq - Grandmont-Donders, 1866, in-8°, 251 pp, modern blind paper wrapper, many ills and some hors-texte ills, 2 coloured ills between pp 88/89 and 214/215, exhaustive lists.
" Gent, Secretarie der Academie, 1955, large in-8°, 360 pp, orig.wrapper, sewn, indices, index of the periodical ''De Kroniek 1895-1907'', bibliography, (published by the Koninklijke Vlaamse Academie voor Taal- en Letterkunde, Reeks VI, nr 73). Study on the journalist P.L.Tak and his periodical ''De Kroniek"", published in Amsterdam from 1895-1907 - Art Nouveau mouvement in the Netherlands."