>However, archive.org doesn't actually have a good edition of Dracula - the Grosset & Dunlop edition used is the altered American version of the text, rather than the original British, as were all the other editions available there last I checked.

claims to be Constable & Co. -- FWIW.

And Google Books on “dracula bram stoker Constable & Co.” leads to a claimed Dover reprint of Constable – again FWIW.