Columbia subject headings:
Cromwell, Oliver, 1599-1658.
Dante Alighieri, 1265-1321.
Heroes.
Johnson, Samuel, 1709-1784.
Knox, John, approximately 1514-1572.
Luther, Martin, 1483-1546.
Muḥammad, Prophet, -632.
Shakespeare, William, 1564-1616.
Harvard subject headings:
Cromwell, Oliver, 1599-1658
Dante Alighieri, 1265-1321
Heroes
Johnson, Samuel, 1709-1784.
Knox, John, approximately 1514-1572
Luther, Martin, 1483-1546
Muḥammad, Prophet, -632
Shakespeare, William, 1564-1616
Princeton subject headings:
Cromwell, Oliver, 1599-1658.
Dante Alighieri, 1265-1321.
Heroes.
Johnson, Samuel, 1709-1784.
Knox, John, approximately 1514-1572.
Luther, Martin, 1483-1546.
Muḥammad, Prophet, -632.
Shakespeare, William, 1564-1616.