The following page provides the comparisons between White Labs and Wyeast and the possible substitutes.
1007 German Ale Yeast = WLP029 German / Kolsch Ale Yeast
1010 American Wheat = WLP320 American Hefeweizen Ale Yeast
1028 London Ale Yeast = WLP013 London Ale Yeast
1056 American Ale Yeast = WLP001 California Ale Yeast
1084 Irish Ale Yeast = WLP004 Irish Ale Yeast
1098 British Ale Yeast = WLP005 British Ale Yeast
1099 Whitbread Ale Yeast = WLP006 Bedford British Yeast (PS/Sep-Oct)
1187 Ringwood Ale Yeast = WLP005 British Ale Yeast
1214 Belgian Ale Yeast = WLP550 Belgian Ale Yeast
1272 American Ale Yeast II = WLP051 California V Ale Yeast
1275 Thames Valley Ale Yeast = WLP023 Burton Ale Yeast
1318 London Ale Yeast III = WLP002 English Ale Yeast
1332 Northwest Ale Yeast = WLP005 British Ale Yeast
1335 British Ale Yeast II = WLP025 Southwold Ale Yeast (PS/Nov-Dec)
1338 European Ale Yeast = WLP011 European Ale Yeast
1388 Belgian Strong Ale Yeast = WLP570 Belgian Golden Ale Yeast
1728 Scottish Ale Yeast = WLP028 Edinburgh Scottish Ale Yeast
1762 Belgian Abbey Yeast II = WLP530 Abbey Ale Yeast
1968 London ESB Ale Yeast = WLP002 English Ale Yeast
2007 Pilsen Lager Yeast = WLP800 Pilsner Lager Yeast
2035 American Lager Yeast = WLP840 American Pilsner Lager Yeast
2042 Danish Lager Yeast = WLP830 German Lager Yeast
2112 California Lager Yeast = WLP810 San Francisco Lager Yeast
2124 Bohemian Lager Yeast = WLP830 German Lager Yeast
2178 Wyeast Lager Blend = N/A ***No Equivalent***
2206 Bavarian Lager Yeast = WLP820 Oktoberfest Lager Yeast
2247 European Lager Yeast = WLP920 Old Bavarian Lager Yeast (PS/Sep-Oct)
2272 N American Lager Yeast = WLP840 American Pilsner Lager Yeast
2278 Czech Pils Yeast = WLP802 Czech Budejovice Lager Yeast
2308 Munich Lager Yeast = WLP838 Southern German Lager Yeast
2565 Kolsch Yeast = WLP029 German / Kolsch Ale Yeast
3056 Bavarian Wheat Yeast Blend = N/A ***No Equivalent***
3068 Weihenstephan Weizen Yeast = WLP300 Hefeweizen Ale Yeast
3112 Brettanomyces Bruxellensis = N/A ***No Equivalent***
3278 Belgian Lambic Blend = N/A ***No Equivalent***
3333 German Wheat Yeast = WLP380 Hefeweizen IV Ale Yeast
3463 Forbidden Fruit Yeast = WLP720 Sweet Mead / Wine Yeast
3522 Belgian Ardennes Yeast = WLP510 Belgian Bastogne Ale Yeast (PS/Jan-Feb)
3526 Brettanomyces lambicus = N/A ***No Equivalent***
3638 Bavarian Wheat Yeast = WLP300 Hefeweizen Ale Yeast
3787 Trappist High Gravity = WLP500 Trappist Ale Yeast
3942 Belgian Wheat Yeast = WLP400 Belgian Wit Ale Yeast
3944 Belgian Witbier Yeast = WLP410 Belgian Wit II Yeast (PS/Jul-Aug)
4335 Lactobacillus delbrueckii = N/A ***No Equivalent***
4733 Pediococcus cerevisiae = N/A ***No Equivalent***
N/A ***No Equivalent*** = WLP003 German Ale II Yeast (PS/May-Jun)
N/A ***No Equivalent*** = WLP007 Dry English Ale Yeast
N/A ***No Equivalent*** = WLP008 East Coast Ale Yeast
N/A ***No Equivalent*** = WLP022 Essex Ale Yeast (PS/Mar-Apr)
N/A ***No Equivalent*** = WLP026 Premium Bitter Yeast (PS/May-Jun)
N/A ***No Equivalent*** = WLP033 Klassic Ale Yeast (PS/Jan-Feb)
N/A ***No Equivalent*** = WLP099 Super High Gravity Ale Yeast (PS/Nov-Dec)
N/A ***No Equivalent*** = WLP565 Saison Ale Yeast
N/A ***No Equivalent*** = WLP715 Champagne Yeast
N/A ***No Equivalent*** = WLP718 Avize Wine Yeast
N/A ***No Equivalent*** = WLP727 Steinberg - Geisenheim Wine Yeast
N/A ***No Equivalent*** = WLP735 French White Wine
N/A ***No Equivalent*** = WLP740 Merlot Red Wine Yeast
N/A ***No Equivalent*** = WLP749 Assmanhuasen Wine Yeast
N/A ***No Equivalent*** = WLP750 French Red Wine Yeast
N/A ***No Equivalent*** = WLP760 Cabernet Red Wine Yeast
N/A ***No Equivalent*** = WLP770 Suremain Burgandy Wine Yeast
N/A ***No Equivalent*** = WLP775 English Cide Yeast
N/A ***No Equivalent*** = WLP833 German Bock Yeast
N/A ***No Equivalent*** = WLP885 Zurich Lager Yeast (PS/Jul-Aug)
N/A ***No Equivalent*** = WLP940 Mexican Lager Yeast (PS/Mar-Apr))