The making of index numbers; a study of their varieties, tests, and reliability,

"Selected bibliography": p. 519-520.

Boleslav-I︠U︡rīĭ II, kni︠a︡zʹ vseĭ Maloĭ Rusi : sbornik materīalov i izsli︠e︡dovanīĭ /

Includes bibliographical references and index.

Ocherki i vospominanīi͡a︡ : publichnyi͡a︡ chtenīi͡a︡, ri͡e︡chi, statʹi i zami͡a︡tki /

Includes index.