Notes from Louisa to Harriet are reported in

Al5, A30, S3, S8, S15, S19, S25, S29, O12, O17, O22, O27, N2, N10, N17, N20, N24, D24, D30, J19.

Notes from Harriet are reported in

A16, A30, S2, S9, S13, S16, S20, S28, S30, O11, O14, O21, O25, O30, N4, N14, N22, D30.