Sentence:  In the meantime, at your leisure, give a copy of the "Museum" to my worthy friend, Mr. Peter Hill, bookseller, to bind for me, <WSD>interleaved</WSD> with blank leaves, exactly as he did the Laird of Glenriddel's, that I may insert every anecdote I can learn, together with my own criticisms and remarks on the songs. 
Meaning of the word marked with <WSD> tags:  To insert (pages, which are normally blank) between the pages of a book.