Sgaard, Viggo B, Everything you need to know for a cassette ministry : cassettes in the context of a total Christian communication program / [print] by Viggo B. Sgaard. - Minneapolis, Minnesota : Bethany Fellowship, (c)1975. - 221 pages : illustrations ; 21 cm. Title on spine: Cassette ministry. LCCN: 74020915 //r90 Subjects--Topical Terms: Audiocassettes in church work. LC Class. No.: BV652.S523.E947 1975 BV652