First attempt to catalogue these, using the link above, and the titles they use. Because of frequent re-use of whole shows I find I already have the full run (just one of each).
Academic year 70-71:

1970 Autumn : Peter and the Wolf
Sweet potatoes
What shall I do?
Frog went a’courting
Green grow the rushes
A round of bells
The birds’ carol
A Russian carol

1971 Spring : Travel and Transport
Run, boys, run
Train is a-coming
Goodbye old paint
Canoe song
The blackbird
Song of the Volga boatmen
Ifca’s castle
Louisiana waltz song
Who’s dat yonder

1971 Summer : Spells and Riddles
Cindy
We have planted in our garden
The deaf woman’s courtship
Poor donkey
The man in the wood
What’s little babies made of?
The riddle song (I gave my love a cherry)
The devil’s questions

Academic year 71-72:

1971 Autumn : Animals
Hill an’ gully
The old sow
Stands a lady
My farmyard
Where lie the ox and ass
Mary had a baby
Sussex carol

1972 Spring : Coppelia (1972)   (there are two programmes of this title, identified by first year)
Scraping up sand
A charm for churning
The millwheel
Spin, spin
Lullaby (mockingbird)
The weaver
The loco fireman’s song
The dead horse

1972 Summer : A River Journey
Fisherman’s waltz
Floating down the river
Hunting polka
Echoing horns
Cowboy’s farewell
Joking song
O waly waly
My castle fine