Final answer:
Lavinia asked someone for help in publishing the poems when Susan did not take charge.
Step-by-step explanation:
After Susan did not take charge in publishing the poems, Lavinia asked someone else to help.
The answer to your question of who Lavinia asked is not explicitly mentioned in the provided information.
However, based on the given context, it can be inferred that Lavinia might have asked someone she trusted or someone with expertise in publishing to assist with getting the poems published.