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[Letter to Miss McAllister, James Foundation]
narv_robertsWalterOrr_6...
[Letter to Miss McAllis...
Roberts, Walter Orr
 
Media item filename
narv_robertsWalterOrr_699.pdf
Title
[Letter to Miss McAllister, James Foundation]
Name
Roberts, Walter Orr
Instruction Manual for the Observations of Surges and Active Prominence Regions
narv_robertsWalterOrr_0...
Instruction Manual for ...
 
Media item filename
narv_robertsWalterOrr_064.pdf
Title
Instruction Manual for the Observations of Surges and Active Prominence Regions
Instructions/IGY Solar Patrol Sheet/Daily Coronal Report
narv_robertsWalterOrr_3...
Instructions/IGY Solar ...
 
Media item filename
narv_robertsWalterOrr_308.pdf
Title
Instructions/IGY Solar Patrol Sheet/Daily Coronal Report
Recommended Plan for the Centralization of Solar Data during the Geophysical Year
narv_robertsWalterOrr_3...
Recommended Plan for th...
 
Media item filename
narv_robertsWalterOrr_306.pdf
Title
Recommended Plan for the Centralization of Solar Data during the Geophysical Year
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