What has the author Frank Keetz written?

Answer 1

Frank J. Korn has written:

'The Tiber ran red' -- subject(s): Christian martyrs, Church history, History, Persecution

'From Peter to John Paul II' -- subject(s): Biography, History, Papacy, Popes

'The story of St. Patrick's' -- subject(s): Church history, St. Patrick's Church (Elizabeth, N.J.)

'Country of the spirit, Vatican City' -- subject(s): Guidebooks

Answer 2

Frank Keetz has written:

'Baseball comic advertising trade cards' -- subject(s): Advertising cards, Baseball cards

'Baseball advertising trade cards' -- subject(s): Advertising cards, Baseball cards

'They, too, were \\' -- subject(s): Baseball players, Eastern League of Professional Base Ball Clubs, History, Minor league baseball, Schenectady Blue Jays (Baseball team)

'Mohawk Colored Giants of Schenectady' -- subject(s): African American baseball players, Baseball, History, Mohawk Colored Giants (Baseball team), Negro leagues