1913 Kalamajka, format 4°, 18.6x17.6 cm, unnumbered, in Czech. Soft binding stitched with metal staples in a paper cover. Title page printed in multiple colors, containing a further 23 lithographs by Josef Lada. Published by the Central Workers' Bookstore, Publishing House and Antiquarian Bookshop (Antonín Svěcený) in Prague in 1913 (the year is not stated in the book), first edition. Moje abeceda [My Alphabet], format 4°, 18x17.5 cm, unnumbered, in Czech. Soft binding, stitched. Contains 22 lithographs by Josef Lada and one further on the cover. Published by the press committee of the Czechoslavic Social Democratic Workers' Party in 1911, first edition. Kalamajka - damaged cover, loosened binding, soiled pages. Moje abeceda - cover with bent corners, soiled, loosened binding, soiled pages. Condition: damaged. Provenance: the collection of Jiří Kačer