Alnwick Castle MS. 572. 17th Century. Opus Angelorum [the 'Crowning of Nature' with 67 watercolour drawings. This copy does not have the text which other versions of this manuscript include.] f1 'Cooper the bookseller at the Pellican Little Britain 1678. Valued by Cooper at £15. Bought of Heard in Piccadilly with the mere cost £5. I believe this MSS to have been Eirenaeus Philalethes own writings.'