Letter from Igor I. Sikorsky to Major William D. Phillips congratulating the U.S. Army Primary Helicopter Center on its 11th anniversary. In a post-script, he mentions that he has enclosed a photograph with the letter. On the back of the letter is a stamp giving the Boyce-Ditto Public Library's address.

Letter from Mort Walker (author of the Beetle Bailey comics) to Major William D. Phillips, congratulating him on the U.S. Army Primary Helicopter Center's 11th anniversary. On the back of the letter is a stamp giving the Boyce-Ditto Public Library's address. There are cartoon characters all along the bottom of the letter.

Photograph of Igor I. Sikorsky. Mr. Sikorsky is wearing a suit with an ID name clip hanging from his left-breast pocket. He's holding a model airplane in his right hand (his left arm is out of shot), and there are out-of-focus frames on the wall behind him. On the back of the photograph is a stamp giving the Boyce-Ditto Public Library address, handwritten notes, and a sticker identifying the photo's subject.