Report of the Imperial Entomologist 1917-18:   held at Pusa on the 5th to 10th February 1923/ 
ed. T. B. Fletcher 
 - 4th ed. 
 - Calcutta:  Superintendent governtmenting, India,  1924 
 - 116p. 
<br/><br/> Отчет имперского энтомолога 1917-18: о насекомых Индиии. 
<br/><br/><label>ISBN: </label> r.50 
<br/><br/><label>Subjects--Index Terms: </label>индиго пчелы 
<br/><br/><label>Universal Decimal Class. No.: </label>632