Brief biography focused on his career as conductor from the Grove Concise Dictionary of Music entry at WQXR radio.

Listing at The Lied and Art Song Texts Page with lyrics of selected works.

Short biography emphasizing his work as conductor and interpreter of Bach with photographs and summary of his own works.

Information on the development, style, and substance of his Dresdner Requiem (1948) showing the interplay of Scriptural and liturgical texts in response to the destruction of Dresden in the Second World War.