Will Durant and Rouben Mamoulian Collection (Library of Congress), The Story of Civilization (New York: Simon and Schuster, 1935), vol. 10, 102
for The Story of Civilization volume 10, page 102.
One solution is to use suffixes. But then by changing the style, one should change all suffixes manually.
In other words does processCitationCluster accept more than one {"label:...","locator:..."} pairs?
Best regards, Abbas