DYAKOWSKI B.(ohdan), Mineralogical discussions. II. About sand.

Mineralogical talks. II. About sand.

And its relatives, that is, minerals similar to it. With 13 engravings. 2nd ed. Warsaw 1922. published by Oświata Tow. Naucz. Srod. and Higher Schools 8 (small), p. 42, illustrations, (and)
B. Dyakowski. Mineralogical Pogadanki. III. Glass and glassware. 2nd ed. with 22 engravings. Warsaw 1922. published by Oświata Tow. Naucz. Srod. and Higher Schools. 8 (small), pp. 39, [1], illustrations, (and)
Zofja Joteyko-Rudnicka. Sulfur its properties, obtaining and benefits. A popular reading. 3rd ed. Warsaw 1921. "Księgarnia polska" Tow. Polskiej Macierzy Szkolnej. 8 (small), p. 24, illustrations, (and).
Zofia Rudnicka. Saletra. Its properties and benefits. A popular reading. Warsaw. Skł. gł. w Księgarni Polskiej. 8 (small), pp. 24, illustrations, co-opr. ppb. of period.
Abrasions of the binding, soiled covers, the part about Saletra heavily clipped (with a small loss of the lower edge of the text).