The Library - Campaign level - Halo: Combat Evolved - Halopedia, the Halo wiki

The Library is the seventh campaign level in Halo: Combat Evolved. It begins after 343 Guilty Spark teleports John-117 from the swamp he was in to the Library of Installation 04. The Master Chief must battle through four Flood-filled levels to reach the Index chamber.

The Library - Campaign level - Halo: Combat Evolved - Halopedia, the Halo wiki

Halo: Combat Evolved - Wikipedia

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Campaign - Halopedia, the Halo wiki

The Library - Campaign level - Halo: Combat Evolved - Halopedia, the Halo wiki

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Halo: Combat Evolved Anniversary manual - Halopedia, the Halo wiki

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How to beat The Library on Legendary difficulty in “Halo: Combat Evolved” - Quora