Růkovodstvo po prakticheska khigiena
By: ot Prof. D-r. T. Petrov
Edition: 2nd rev. & enl. ed.
Series: Universitetska biblioteka -- no. 181; Universitetska biblioteka -- no. 181.
Publisher: Pridvorna pechatsnitsa
Published: 1937
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 511
Notes: A handbook in practical hygiene.