漢娜和她的家庭都是虛構的角色，但在歷史上有許多猶太家庭都在倫敦或是歐洲的其他地方隱藏著自己的信仰，由始至終。感謝塞西爾·羅斯描寫的動人歷史，感謝廣播以及電影製片人娜歐米·格里恩，他們讓我得以窺見那些勇敢者的人生。小說中的其他人物是真實存在的，以我所理解的史實進行了藝術加工。以下書單中列出的都是我的靈感來源，在加萊歷史的描寫方面，我要感謝法國曆史學家喬治·福凱，感謝他不吝惜自己的寶貴時間，為我提供他所知的一切。
參考書目
billington,sandra,asocialhistoryofthefool,1984
braggard,philippe,termote,johan,williams,john(ed),walkingthewalls,historictowndefencesinkent,co^ted'opaleandwestflanders,kentcountycouncil,1999
brigden,susan,newworlds,lostworlds,theruleofthetudors1485-1603,2000
cressy,david,birth,marriageanddeath,ritual,religionsandthelifecycleintudorandstuartengland,1977
darby,,anewhistoricalgeographyofenglandbefore1600,1976
doran,john,ahistoryofcourtfools,1858
fontaine,raymond,calais,villed'histoireetdetourisme,syndicatd'initiativedefrance,()2002
green,dominic,thedoublelifeofdoctorlopez,2003
guy,john,tudorengland,1988
haynes,alan,sexinelizabethanengland,1997
hibbert,christopher,thevirginqueen,1992
lenoir,laurent,a′ladecouverte′desanciennesfortificationsdecalais,nordpatrimonieeditions,2002
loades,david,thetudorcourt,1986
marshall,peter,thephilosopher'sstone,aquestforthesecretsofalchemy,2001
neale,,queenelizabeth,1934
plowden,alison,elizabeth:marriagewithmykingdom,1999
plowden,alison,theyoungelizabeth,1999
plowden,alison,tudorqueensandcommoners,1998
ridley,jasper,elizabethi,1987
roth,cecil,ahistoryofthemarranos,thejewishpublicationsocietyofamerica,philadelphia,usa,1932
somerset,anne,elizabethi,1997
starkey,david,elizabeth,2001
turner,robert,elizabethanmagic.theartandthemagus,1989
weir,alison,childrenofengland,1997
weir,alison,elizabeththequeen,1999
welsford,enid,thefool:hissocialandliteraryhistory,1935
woolley,benjamin,thequeen'sconjuror,2001
yates,frances,theoccultphilosophyintheelizabethanage,1979
作者「菲利帕·格里高利」的其他小說