[{"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":12,"relationship_count":0,"history_event_count":0,"sample_snippets":["A photo on the page is captioned Alfred Blackberry.","Prices for Alfred are referenced on page 8.","Alfred is described as about a week to ten days earlier than Eldorado and more productive.","For best results in the North, the catalog recommends winter protection."]}]