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Thanks
*  To Roland Stevenson (†) for the original material
* To SIL Khartoum for access to their mss.
* To Robin Thelwall for conserving the mss. and making copies for me
* To Tyler Schnoebelen for typing some of the data
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§Scans of the originals are on my website, and retyped versions with commentary will be available shortly as this powerpoint
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