Peter Singer has written:
'Ariel and Caliban'
Singer has written: 'The mystic castle'
Gerald Singer has written: 'Vieques'
Peter Graham has written: 'Peter Graham'
Peter Bradtke has written: 'Peter Bradtke'
Peter Huemer has written: 'Peter Huemer'
Peter Kiss has written: 'Peter Kiss'
Peter Willburger has written: 'Peter Willburger'
Peter Herbrich has written: 'Peter Herbrich'
Peter Casagrande has written: 'Peter Casagrande'
Elisabeth Singer has written: 'Where lemons blossom'
Janet Singer has written: 'Cheer leader'
Jeanne Singer has written: 'Selected Songs'