Association spokesman Charles Schmidt says electronic textbooks now represent just two to three percent of sales.

VOA: special.2009.09.03

Walter Schmidt is with the Agricultural Research Service, part of the United States Agriculture Department.

VOA: special.2010.06.01

Walter Schmidt has been working to find uses for chicken feathers since the nineteen nineties.

VOA: special.2010.06.01

Google's chief executive, Eric Schmidt, says Chrome will pay for itself.

VOA: special.2009.07.17

Tom Jones and Harvey Schmidt wrote "The Fantasticks" in nineteen fifty-nine.

VOA: special.2010.05.24