In letters to One Fund, a child’s hope shines through ← Related Article Visit The Boston Globe Share on Twitter Share on Facebook Comment on this Scroll to top of page Suzanne Kreiter/Globe staff In addition to donations, One Fund Boston has received more than 50,000 letters and cards since the Marathon bombings, officials said. Suzanne Kreiter/Globe staff A sampling of the letters underlined the deep sense of obligation behind the vast financial support. Suzanne Kreiter/Globe staff Children were moved to action after the bombings, eager to help any way they could. Suzanne Kreiter/Globe staff Beyond letters, the One Fund received memorabilia from fund-raising efforts across the country, and banners and posters filled with messages of support. Suzanne Kreiter/Globe staff The One Fund has saved the correspondence and hopes to create a digital archive of the letters so they can be viewed online, and reach those wounded. Suzanne Kreiter/Globe staff Mike Sheehan, who serves on the One Fund board of directors, said the website could serve as a “digital museum” for the letters, preserving them for posterity. Suzanne Kreiter/Globe staff A volunteer in One Fund Boston’s office at the Prudential Center could see an oversized card and other material near her cubicle.