Friday Extra! For the many of you who are interested in Portland’s street renumbering project in the early 1930s, here’s the city’s official directory as of February 1933. It’s a large PDF (approx 43MB) but it cross-references all old and new numbers throughout the city. 243 pages of historic goodness!
Here’s the link to the City Archive page, then click the little page/magnifying glass icon in the center column. Have fun!
Vintage Portland 
Here’s another version of the address change directory that may be more word-searchable: http://www.khrissoden.org/history/1931StreetRenamingWeb.pdf
The thing that struck me – can you imagine being the person who had to type this whole thing out on a manual typewriter? Whew. Almost as big a job as re-numbering all the streets 🙂
Ha. I was thinking the exact same thing Dan!
**EDIT: Dave, not Dan…
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Yes, this is an invaluable reference, but I found it didn’t help with addresses in Sellwood. There is an address 1701 E. 8th Street which I know to be in Sellwood from around 1908, so should be SW 8th Avenue to-day. Just need the 1701 conversion.