You can find a great selection of his polaroid work here (and also more fully here, although being in Russian, this website is a little more tricky to navigate!)
"Polaroid" film actually went out of business fairly recently (see the wiki article here) although another supplier bought the rights to developing instant film - and created the 'Impossible Project'.
Their film is expensive - it works out at around £3/£4 per shot, but it's a very different experience to using digital. Cameras are still reasonably available - you could look on ebay, or used (very affordable) through Amazon Marketplace. Enthusiasts frequently collect long-expired film on ebay, excited by the random moments of serendipity it can create.