Srednevekove - period istorii, dlja odnikh okutannyj flerom romantiki, dlja drugikh - ispolnennyj dramatizma, javljajuschij primery torzhestva predrassudkov nad zdravym smyslom. No dlja vsekh, bezuslovno, interesnyj. Protivorechivyj, izobilujuschij neozhidannymi povorotami. Vremja rytsarej, prekrasnykh dam, kurtuaznoj literatury... i okhoty na vedm, opustoshitelnykh vojn. Srednie veka - vremja mladenchestva Evropy. Bud oni drugimi - i Evropa sejchas byla by ne takoj, kakoj my ee znaem. Nasha kniga predlagaet vam sovershit uvlekatelnoe puteshestvie po srednevekovoj Evrope, zagljanut v goroda, sela, zamki aristokratov, pobyvat na rytsarskikh turnirakh i v kabinetakh alkhimikov. I, konechno zhe, uznat mnogo novogo.
Various is the correct author for any book with multiple unknown authors, and is acceptable for books with multiple known authors, especially if not all are known or the list is very long (over 50).
If an editor is known, however, Various is not necessary. List the name of the editor as the primary author (with role "editor"). Contributing authors' names follow it.
Note: WorldCat is an excellent resource for finding author information and contents of anthologies.