Delaney, J. K. (2013). "Common painting" and "Diligent fiddling": Technical analysis for insight into the divergent styles of Dürer's "Madonna and child" / "Lot an his daughters". Challenge of the object, pp. 1036-1040.

Delaney, John K. ""Common Painting" and "Diligent Fiddling": Technical Analysis for Insight Into the Divergent Styles of Dürer's "Madonna and Child" / "Lot an His Daughters"." Challenge of the Object 2013: 1036-1040.

Delaney, John K. ""Common Painting" and "Diligent Fiddling": Technical Analysis for Insight Into the Divergent Styles of Dürer's "Madonna and Child" / "Lot an His Daughters"." Challenge of the Object 2013: 1036-1040.