Refusal of the United States to sell helium to the German Government for use in zeppelins


[365] The Ambassador in Germany (Wilson) to the Secretary of State

811.659 Helium/101: Telegram


[366] The Acting Secretary of State to the Ambassador in Germany (Wilson)

811.659 Helium/101: Telegram


[367] The Ambassador in Germany (Wilson) to the Secretary of State

811.659 Helium/111: Telegram


[368] The Ambassador in Germany (Wilson) to the Secretary of State

811.659 Helium/120: Telegram (part air)


[369] The Secretary of State to the Ambassador in Germany (Wilson)

811.659 Helium/131: Telegram


[370] The Ambassador in Germany (Wilson) to the Secretary of State

811.659 Helium/136: Telegram