Here is a direct link to the Sermon Audio reading of the Essay on family worship by J.H. Merle D’Aubigne. Family Worship

I can second the recommendation. A wonderful little essay to encourage parents to guide their children in the Christian life.

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Traci
Lynnwood OPC
"I have taken all my good deeds, and all my bad deeds, and cast them through each other in a heap before the Lord, and fled from both, and betaken myself to the Lord Jesus Christ, and in him I have sweet peace."--David Dickson