^Mike Ventarola, Legends Magazine, REVIEW: Mors Syphilitica - "Feather and Fate", Accessed July 8, 2014, ".Their rare concert gigs around the New York City area are packed to the rafters.She gracefully takes this up towards the operatic ranges with ease, while harmonizing with her lower registers. . Lisa Hammer simply creates vocal ranges and harmonies that are rarely reached outside the opera houses." نسخة محفوظة 3 مارس 2016 على موقع واي باك مشين.
^Azra Medea (World Of Fandom), 1997, Dark Gothic, An Intricate Portrait of Lisa and Eric Hammer, Accessed July 8, 2014, ".Lisa is truly a fairy tale princess, who looks . like she just stepped out of the Fourteenth Century . talented artist not only in the realm of vocalizing but also in the unlikely genre of filmmaking. ." نسخة محفوظة 4 مارس 2016 على موقع واي باك مشين.
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