Abecedarian

alphabet [excerpt] by Inger Christensen
cicadas exist; chicory, chromium
A Primer of the Daily Round by Howard Nemerov
A peels an apple, while B kneels to God
An ABC (The Prayer of Our Lady) by Geoffrey Chaucer
Almighty and al merciable queene
Nonsense Alphabet by Edward Lear
A was an ant
Alphabet Poem by Edward Lear
A tumbled down, and hurt his Arm, against a bit of wood