Younger became vice-warden of the Sydney College of Music and was chairman of the committee for the specifications of the organ in the Sydney Town Hall.

A specification and pictures of the organ can be see on the National Pipe Organ Register.

A specification of the organ can be found on the National Pipe Organ register.

The current specification of the organ is available on the National Pipe Organ Register.

The proposed specification of the completed organ, after the renovation, is available on the Abbey website.

The specification of the organ is here: .

A specification of the organ from towards the end of its life can be found on the National Pipe Organ Register.

The specification of the organ is listed at the National Pipe Organ Register.

A current specification of the organ can be found on the Temple Church Choir website.

A specification of the organ is on the National Pipe Organ Register.