Lawrence, David. The Complete Guide to Barber Dimes. 1990, DLRC Press. David Lawrence Rare Coins has made available an
online version of this reference on the Newman Numismatic Portal: Barber Dimes book
Lawrence, David. The Complete Guide to Barber Quarters, Second Edition. 1994, DLRC Press. DLRC has made available an
online version of this reference on the Newman Numismatic Portal: Barber Quarters book, second edition
Lawrence, David. The Complete Guide to Barber Quarters, First Edition. 1989, DLRC Press. DLRC has made available an
online version of this reference on the Newman Numismatic Portal: Barber Quarters book, first edition
Lawrence, David. The Complete Guide to Barber Halves. 1991, DLRC Press. DLRC has made available an
online version of this reference on the Newman Numismatic Portal: Barber Halves book
Peters, Gloria, and Mohon, Cynthia. The Complete Guide to Shield and Liberty Nickels. 1995, DLRC Press. DLRC has made available an
online version of this reference on the Newman Numismatic Portal: Liberty Nickels book/