Where Once We Walked (gazetteer) by Gary Mokotoff & Sallyann Sack with Alexander Sharon, page 214, Avotaynu Inc. 2002

Lyubar, Ukr.; (Lieber Tov, Liubar, Luber) pop.4,146; 93 km NW of Vinnytsya; 49°55'/27°45'; CAHJP, GYLA, JRUM, SF.

CAHJP = Central Archives for the History of the Jewish People, Jerusalem, Israel
GYLA = A Guide to YIVO's Landsmanshaftn Archive by Rosaline Schwartz and Susan Milamed, 1986.
JRUM = Jewish Roots in Ukraine and Moldova: Pages from the Past and Archival Inventories by Miriam Weiner, 1999.
SF = Shtetl Finder by Chester G. Cohen, 1980 and 1989.