Does anyone know where one can purchase the Select Register of Apartment House Plans? If not, where to view the book?

The Science, Industry & Business Library of NYPL at 35th and Madison has it.

http://catalog.nypl.org/search/o49235884

I saw one volume on Ebay once.

Corcoran used to have a set in their Broadway & 82nd office, right inside the front door. Maybe it's still there, but further in the office. The whole thing is many volumes.

The 1925 Pease & Elliman, covering just the east side and midtown, is at http://hdl.handle.net/2027/mdp.39015026793094. The 1923 edition is there also, under "Douglas Elliman".

Alas, no digitized version of select register that I can find.

http://www.baumanrarebooks.com/rare-books/pease--elliman-blaisdell-a-g-/pease--elliman-s-catalogue-of-apartment-plans/80699.aspx

webrefdesk, that is very helpful, thanks for sharing!

If you have a friend who is a broker, I think all of the firms have a set. I went in and photocopied 50 of my fav buildings floor plans.

This is all very helpful. Thanks!

This is an amazing resource. Thanks! Are there any later versions that would cover buildings built before The Great Depression? (There are quite a few completed in the late 1920's.)

Columbia has a lot of plans here: http://nyre.cul.columbia.edu/

For pre-WWI buildings, there's http://digitalgallery.nypl.org/nypldigital/explore/dgexplore.cfm?col_id=151

The 1925 was the latest Elliman. I think Select Register took over from them in publishing plans. That's an ongoing business and under copyright, so nothing online. In the mid-1990s a now-defunct RE site licensed the Select Register plans, but had them hidden. Playing with the URL would turn up pages, but those're gone now.

Above post is correct, NYPL at 35 and Mad does have a set. It would be very much to your advantage to contact them ahead of time, as last time I used the set, they did not have them physically on-site but had to order them in, then had to get them down from the storage room up above. they just arn't sitting on a reference shelf like a dictionary. Also, this is a huge set of books, broken down into books, parts and volumns, about 8 all told. From my notes, which I warn may not be totally on target, the following is what I have found:
1 Pt 1: 5th Ave; 1 pt 2, V 1: park north of 34; 1 pt2 , vol 2: Park north of 76 and Lex and Mad to 86; 2 pt 1, vol 1: crosstown so of 55; 2 pt 2, vol 1 crosstown to 79; 2 pt 2, vol 2 crosstown to 96; 3 pt 1 "districts", ie Sutton, Beekman; 3 p2 West, CPS CPW etc.

Hope this helps