[{"source_document_id":105,"title":"Hardy fruits for Northern planting, trees, shrubs, 1937","url":"https://archive.org/download/CAT31349771/CAT31349771.pdf","rights_status":"unknown","evidence_claim_count":13,"relationship_count":0,"history_event_count":0,"sample_snippets":["A photo on the page is captioned Cumberland.","Prices for Cumberland are referenced on page 8.","The catalog states that Cumberland probably is still the most widely planted of all blackcaps.","Cumberland has stood the test of time."]},{"source_document_id":106,"title":"Daniels planting guide, 1950","url":"https://archive.org/download/CAT31385782/CAT31385782.pdf","rights_status":"unknown","evidence_claim_count":6,"relationship_count":0,"history_event_count":0,"sample_snippets":["The entry says it has stood the test of time and is the most widely planted of all black raspberries.","The berries are described as juicy and of the highest quality.","The berries are described as large.","The entry describes Cumberland as a heavy yielder."]},{"source_document_id":103,"title":"PERENNIALS - The Northwest Nursery Co.","url":"https://archive.org/download/CAT31304326/CAT31304326.pdf","rights_status":"unknown","evidence_claim_count":3,"relationship_count":0,"history_event_count":0,"sample_snippets":["Other black raspberries are said to be unprofitable to plant here, except Cumberland.","Presented as the lone black raspberry variety that has proven hardy in this climate.","Referenced in the discussion of black raspberries."]}]