Budapest: Druckerei der Pester Lloyd-Gesellschaft, 1910. 75p., ex-library with numerals on corner of front cover and stamp on title page, paper toned, otherwise very good.
"The evolutionary history of modern socialism in the United States of North America." Includes sections on Haymarket, the Socialist Party, etc., including English text from source documents. This work was Bolgar's dissertationat Bern.