Rats and Poultry. Rat Destruction. Das Rattenbuch. A collective Report regarding the economical and hygienic Significance of the Rat-Plague and the Combating of the Rats. By Dr. med. vet. R. Koller, Hallein, Austria. Editor: M. & H. Schaper, Hannover, 1932.

The damage caused by rats to the poultry farmers is enormous in all parts of the world; 1) owing to the destruction of poultry food, eggs, chicks, 2) to the dying of many fowls of rat poisons, 3) because rats are transferring dangerous infectious germs.

Practical Poultry Keeping. - Note pratiche di Pollicoltura. Prof. F. Clementi, Direttore del Pollaio provinciale di Roma. Casa Ed. Tip. „Le Massime”, Via Gaetano Sacchi, 6, Roma. 1932.

A clear, concise treatment of various subjects in connection with poultry husbandry, containing numerous illustrations.