From the UK Top 40 chart of June 1975:
- Vicar's Beard: The Orbs of Laurelindorenan (13:20)
- Pentacle: Giant's Bane (16:12)
- Methuselah: The Fourteen Brides of Aberthwyne (22:43)
- Curious Fox: Laboratory of the Dwarf Alchemist (14:37)
- Luthien: Stone of Erech (19:32)
- Electric Platypus: The Chartulary of St. John of Pontefract (20:30)
- Intelligenzquotient: Fermat's Conundrum (23:41)
- Camera Obscura: The Court of Ozymandias (18:54)
- Constellatium: Ordnance Survey Maps of Dunwich and Other Sunken Lands (15:04)
- The Lyonesse Philosopher's Guild: The Third Testament of Isambard Kingdom Brunel (31:12)
- The Lyonesse Philosopher's Guild: The Fourth Testament of Isambard Kingdom Brunel (44:59)
- Seven Sided Cube: Teatime and Mead at Withered Heath (16:32)
- Genius: Archimedes at the Oracle of Delphi (18:35)
- Hadrian: Motorway to Bedegraine (27:15)
- Orange Toad: Shipping Forecast for MIddle Earth (19:46)
View attachment 47773
Left to right: Nigel Humphreys, Reginald Hughes, Ian Oldfield, and Rupert Hunter-Smith of The Lyonesse Philosopher's Guild.
View attachment 47774
Left to right: Simon Tidwell, Graham Davies, Cecil Harrington-Jones, and Oliver Piddlesworth of Pentacle.