Here is the handout on Russell "On Denoting." And here is the handout on Strawson's response. Finally, here is another handout on the Russell/Strawson debate.
Who won? Russell (read his response to Strawson linked to the homepage) argues that Strawson is simply addressing a whole 'nother question.
Russell's original article, "On Denoting," published in 1905 is such a big deal that there is actually a 100th Anniversary celebration of it going on including a whole conference on Russell and Meinong: 100 Years After 'On Denoting'.