"Paper" often distinguishes a softcover or print-on-demand version of a book: Propertius: Love and War by Hans-Peter Stahl - Paper
Several scholarly papers and articles explore the intersection of these two themes: Love and War
: Research like "All's Fair in Love and War: Military Justice in the Movies" on SSRN examines how military systems are portrayed in film. Another study, "Not All's Fair in Love and War: Toward Just Love Theory" , applies Just War Theory ethics to romantic relationships. Love and War