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Non-STTI members : To submit, you must first register with the Henderson Repository for an account (see section below). If you are already registered and have requested and received submission authorization (see note below), please log in.

STTI members : To submit, you need to have requested submission authorization (see note below). If you have received authorization, please log in to submit materials.

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If you are not an STTI member, you will need to register to create your account and submit materials. Collection submission authorization is required (see note below).

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Note : All repository users (STTI members and non-members) need to contact the repository at repository@stti.org to request submission authorization after completing an initial login (STTI members) or upon registration (non-members). Please see the Registration/Login Instructions on the Policies and Guidelines page for additional information.