Roy Harper: vinyl, CD and cassette prices

Compare the price of 4 Roy Harper records on vinyl, CD and cassette in UK record shops.

vinylRoy Harper - 1984 (Jugula)£41Sister Ray1
CDRoy Harper - Flat Baroque And Berserk£18Sister Ray1
vinylRoy Harper - Folkjokeopus£41Sister Ray1
CDRoy Harper - Sophisticated Beggar£14Sister Ray1