From my father's collection, this book features the following subject/stamp pages:

Centennial Chautauqua Institute, life in rural America Series

Centennial Kansas Hard Winter Wheat

Expo 74 World Fair, Preserve the Environment

Apollo XI--first man on the moon, dated 1969

VFW 75th founding anniversary

Centennial birth of Robert Frost

100th running Kentucky Derby

Skylab

Centennial Universal Postal Union

Our mineral heritage

200th anniversary of Fort Harrod

American Revolution Bicentennial, First Continental Congress

Legend of Sleepy Hollow

Christmas Season's Greetings

Retarded Children can be helped

Pioneer Jupiter

Energy Conservation