Here are the cookies you're using through CGIProxy:

Delete this cookie?	For server names ending in:	... and a path starting with:	Secure?	Cookie name	Value
	.google.com	/	Yes	AEC	AVYB7cqwCnie-AMFPl--K9E2MiaU4dGr30_cmYGpzaCAKbla6h7m7M3tjAA
	.google.com	/	No	NID	515=BcODrNAZEpwD_0-2HUhzheIdBAYEnbQmo02mPMRIkpvTpah-TG9SqUmCvnd1_WbpP9oix38lusCNX8aL1sWuoEar6isEQMeNzaR5nwspWBGcEVycPMC3CO6ToDMeOnh3yAG8gtXeUV1uMpHlN4XR7CF2p1PdhGzQ-A-PdfqZFxk
	arxiv.org	/	No	arxiv-search-parameters	{}
	www.thriftbooks.com	/	No	ASP.NET_SessionId	kzuvr2hojcfhu4yuqxmxcjtw
	www.thriftbooks.com	/	No	CartIdentifier	d3c39ae19915426ebf8baaeb57ce2ba4
	www.thriftbooks.com	/	No	ShowEmailSignupModal	1
	www.thriftbooks.com	/	Yes	TIdent	3646ed5842994d58afb76dee20994184
	www.thriftbooks.com	/	No	UserDataIdentifier	376ceb33e51e4f8b846cd56eb2e1b0d7
	www.thriftbooks.com	/	No	snow_session	ffbd3285-32c3-4f58-a530-a6d14c7b275f

Authentication cookies: