Wallis 1979, p. 2. Wallis, Helen (1979). The Voyage of Sir Francis Drake Mapped in Silver And Gold. California: Friends of the Bancroft Library, University of California. OCLC248295351.
Wallis 1979, p. 1. Wallis, Helen (1979). The Voyage of Sir Francis Drake Mapped in Silver And Gold. California: Friends of the Bancroft Library, University of California. OCLC248295351.
Wallis 1979, p. 20. Wallis, Helen (1979). The Voyage of Sir Francis Drake Mapped in Silver And Gold. California: Friends of the Bancroft Library, University of California. OCLC248295351.
Wallis 1979, p. 5. Wallis, Helen (1979). The Voyage of Sir Francis Drake Mapped in Silver And Gold. California: Friends of the Bancroft Library, University of California. OCLC248295351.
Wallis 1979, p. 7. Wallis, Helen (1979). The Voyage of Sir Francis Drake Mapped in Silver And Gold. California: Friends of the Bancroft Library, University of California. OCLC248295351.
Anon 2018, p. 8. Anon (2018). A Perfect description of Virginia being, a full and true relation of the present state of the plantation, their health, peace, and plenty . Being sent from Virginia, at the request of a gentleman of worthy note, who desired to know the true state of Virginia as it now stands. Also, a narration of the countrey, within a few days journey of Virginia, west and by south . being related to the governeur, Sir William Berckley . With the manner how the Emperor Nichotawance came to Sir William Berckley, atteneded with five petty kings, to doe homage, and bring tribute to King Charles . London, Printed for Richard Wodenoth, 1649. Delhi, India: Pranava Books. OCLC1033693631.
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Davidson 1908, p. 108. Davidson, George (1908). Francis Drake on the Northwest Coast of America in the Year 1579: The Golden Hind Did Not Anchor in the Bay Of San Francisco. San Francisco: F.F. Partridge. OCLC8029365.
Shangraw & Von der Porten 1981, p. 73. Shangraw, Clarence; Von der Porten, Edward (1981). The Drake And Cermeño Expeditions' Chinese Porcelains At Drakes Bay, California 1579 And 1595. Santa Rosa, California and Palo Alto, California: Santa Rosa Junior College and Drake Navigators Guild. OCLC10943618.
Power 1974. Power, Robert (1974). Francis Drake & San Francisco Bay: A beginning of the British empire (Keepsake). Davis, California: Library Associates of the University Library, University of California, Davis. OCLC3519340.