[[8]] Memories and Thoughts, p. 14.

[[9]] Memories and Thoughts, p. 15.

[[10]] [Appendix XIV.]

[[11]] Creed of a Layman.

[[12]] [Appendix XV.]

[[13]] Some Urgent Questions in Christian Lights.

[[14]] Heretics, p. 96.

[[15]] [Appendix XVI.]

[[16]] [Appendix XVII.]

[[17]] E. A. Abbott, Through Nature to Christ.