Sergei Nikolayevich Bulgakov 
Sochineniya v dvukh tomakh.
Moscow: Izdatel'stvo "Nauka", 1993. Zhurnal "Voprosy Filosofii", seriya "Iz istorii otechestvennoi filosofskoi mysli". First edition. Edited, with an introductory text, by S. S. Khoruzhego.  5851330058 603/750 pages.
Two-volume set. Each volume, measuring approximately 5.5" x 8.25", is bound in red cloth, with stamped gilt lettering to spine and front cover. Books show light shelfwear. Bidnings are firm. Lightly age-toned pages are clean and without markings.
Collected works of Russian Orthodox theologian, priest, philosopher, and economist S. N. Bulgakov (1871-1944), with first volume containing "Filosofiya khozyastva" and "Tragediya filosofii", and second volume presenting a selection of his essays.