Columbia subject headings:
Baseball players--United States--Biography.
Entrepreneurship--Biography.
Spalding, A. G. (Albert Goodwill)
Harvard subject headings:
Baseball players--United States--Biography
Entrepreneurship--Biography.
Spalding, A. G. (Albert Goodwill)
Princeton subject headings:
Baseball players--United States--Biography.
Entrepreneurship--Biography.
Spalding, A. G. (Albert Goodwill)