Laying Foundations for ChangeChristopher Oechsli, Liz Welch, Bill Gates, Tony Proscio, Matthew Bishop · First published 2014Open the Tome
the Competitive Cat, Racing Small Gaff-Rigged CatboatsBill Welch MD · First published 2007Open the Tome
The baseball analysis and reporting systemWelch, Bill, Bill Welch, Jeff Moses · First published 1989Open the Tome
