Secondary Sources ~ Duff Macdonald
| Revised Catechism, being an Examination and Revision of the Westminster Assembly’s Shorter Catechism by Duff Macdonald (WSC) | ||
| The Shorter Catechism with Notes and Alternative Answers by Duff Macdonald (WSC) |
| Revised Catechism, being an Examination and Revision of the Westminster Assembly’s Shorter Catechism by Duff Macdonald (WSC) | ||
| The Shorter Catechism with Notes and Alternative Answers by Duff Macdonald (WSC) |