[Avodah] Tosfos Yom Tov

[Moshe Y. Gluck]

R'n TK:
I see here that R' Yom Tov Lipman Heller (the Tosfos Yom Tov) wrote a set of
piyutim to commemorate the Gezeiros Tach veTat.  Where would one find these
piyutim?  Are any of them ever said or read today as part of any service
during the year?
 
He also wrote a "Megillas Eivah" to commemorate his arrest and later release
from prison -- and asked his descendants to celebrate a family Purim and
to read this megillah on the anniversary of his release from prison.  Again,
where would one find this megillah that he wrote?
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Megillas Eivah has been recently republished (Yerushalaim, 5759) in a very
fine edition with footnotes and introductory material, as well as
biographical material. I don't think it has the piyutim you refer to, but it
does have a "Keil Malei" that he wrote.

KT,
MYG