Nowadays many old reference works are, as they say, on line, either as downloadable page images (pdf, kindle, etc.) or in their own Web presentations (OED, etc.). Using them often requires some juggling, but that’s of course also true of the hard-copy paper, too. I’m not sure how best to set up a workflow for easy access to the just-discovered electronic form of A dictionary of English etymology (by Wedgwood, Hensleigh, 1803-1891; Atkinson, J. C. (John Christopher), 1814-1900), now that I’ve downloaded its 75 MB pdf form, but here’s an example of the richness:
…and compare with the much briefer entries in The Oxford Dictionary of English Etymology:
…and, for the sheer fun of it, compare with the entry for *PIE beu; bhel, bhleu in Shipley:
…and, for full measure, the OED entry:
and a part of the detail of the first sense in the OED:
Each is its own sort of fun.