„The Roadside Table - MichMarkers”. Архивирано из оригинала 21. 06. 2021. г. Приступљено 2020-02-28. „Here on old U.S. 16 in Boston Township, Ionia County, the first picnic table along a highway right-of-way was placed in 1929 ... The table was built of salvage planks formerly used as guardrails.”
C.H. Nielsen (1903-09-28). „US769354A - Table”. Google Patents. Архивирано из оригинала 2020-02-28. г. Приступљено 2020-02-28. „My invention is an improvement in tables, the main object being to provide a table ... which can be folded up into a collapsed table for transportation purposes ... my table is particularly designed and adapted for use at picnics and other gatherings of a similar character where temporary use only is required.”
C.H. Nielsen (1903-09-28). „US769354A - Table”. Google Patents. Архивирано из оригинала 2020-02-28. г. Приступљено 2020-02-28. „My invention is an improvement in tables, the main object being to provide a table ... which can be folded up into a collapsed table for transportation purposes ... my table is particularly designed and adapted for use at picnics and other gatherings of a similar character where temporary use only is required.”
„The Roadside Table - MichMarkers”. Архивирано из оригинала 21. 06. 2021. г. Приступљено 2020-02-28. „Here on old U.S. 16 in Boston Township, Ionia County, the first picnic table along a highway right-of-way was placed in 1929 ... The table was built of salvage planks formerly used as guardrails.”