Robert I. Vexler

• Baltimore
• Chronology and documentary handbook of the State of Idaho
• Chronology and documentary handbook of the State of Illinois
• Chronology and documentary handbook of the State of Indiana
• Chronology and documentary handbook of the State of Iowa
• Chronology and documentary handbook of the State of Louisiana
• Chronology and documentary handbook of the State of Massachusetts
• Chronology and documentary handbook of the State of Michigan
• Chronology and documentary handbook of the State of Mississippi
• Chronology and documentary handbook of the State of Missouri
• Chronology and documentary handbook of the State of Nebraska
• Chronology and documentary handbook of the State of Nevada