Miscellaneous Ephemera. "The Orange Interest of San Gabriel Valley." Facsimile chart, 1879; "District Agents of Southern California Fruit Exchange." Photolithographic montages, 1899-1902; G. Harold Powell, "The Cost of Producing Oranges in California" Statistical Table, 1911. "What Constitutes Perfect Citrus Fruit." Point scale, undated | Collections | The Huntington