Identify the source, including author, of the following:

I'm not so wise as the lawyer guys, but strictly between us two --

The woman that kissed him and -- pinched his poke -- was the lady that's known as Lou

Where did this take place?

From my days hanging out in the Malamute Saloon, I seem to remember old "Dan McGrew", dangerous as he was, and his shooting therein.

Robert Service remembers it too!

http://www.geocities.com/cowboysprayer/dangerousdanmcgrew.html

So it was you out in the Great Alone,
When the moon was awful clear,
The wind outside the Malamute moaned,
And XFed called for a beer.