Duggar Family Blog, su duggarfamilyblog.com. URL consultato il 28 maggio 2015 (archiviato dall'url originale il 15 aprile 2016).
«The Duggars write in their second book, A Love That Multiplies: "Even though Wikipedia and some Internet blogs report that we are part of a QuiverFull movement, we are not. We are simply Bible-believing Christians who desire to follow God's Word and apply it to our lives" (page 92)»