Hello Justa Grump & welcome to the chordie forum!
Lara's Theme is a great tune.
I saw Dr. Zhivago when I was a kid and am still crushing on Julie Christie!
The balalaika twinkling out the melody of this song is very memorable (almost as memorable as Julie Christie's cheekbones).
I love a good hunt - but so far I have not hit the bullseye . . .
Here is some good stuff though:
These fine folks can probably help with tabs for the song:
Balalaika and Domra Assoc. of America
http://www.bdaa.com/
Other than that, this is probably stuff you have already found:
chords & lyrics
http://www.theguitarguy.com/somewhe2.htm
Lara's Theme article
http://en.wikipedia.org/wiki/Lara%27s_Theme
"That darn Pythagorean Comma thing keeps messing me up!"
[url]http://en.wikipedia.org/wiki/Pythagorean_comma[/url]