- Owner's entry and stamp ("Aug. Cuypers") in htitle. Wrappers trifle frayed; backstrip browned.
= Series "Nieuwe romans". Van Vliet p.314, no.2.
Idem. Het zwevende schaakbord. The same work, same edition, orig. gilt dec. cl.
= Series "Nederl. Bibliotteek", w. diff. title-p. Van Vliet p.316, no.6. "De roman kwam tegelijk uit in twee series: Nieuwe Romans en Nederlandsche Bibliotheek".
Idem. Het zwevende schaakbord. The same work, same edition, same series, bound in contemp. giltlettered hmor., orig. wr. pres.
- Wrappers evenly browned. Backstrip sl. discol.; boardedges and raised bands on spine sl. rubbed.
= Van Vliet p.314. no.4.
AND 3 more copies of the same work: 1st ed., Nederl. Bibliotheek, orig. wr. (backwr. loose and dam., spine-ends dam.) (Van Vliet p.314, no.4); 2nd ed., (1924), Nieuwe Romans, orig. giltlettered cl. (Van Vliet p.316, no.7); 3rd ed., n.d., Nieuwe Romans, orig. giltlettered cl.; 4th ed., Amst./ Antwr., Wereldbibliotheek, 1950, 4th ed., orig. cl. w. (sl. frayed) dustwr., large 8vo.
- All vols. of the lot w. bookplate on first free endpaper or htitle.