[{"source_document_id":139,"title":"Planting time, 1950 / Alpha Nursery","url":"https://archive.org/download/CAT31385295/CAT31385295.pdf","rights_status":"unknown","evidence_claim_count":5,"relationship_count":0,"history_event_count":0,"sample_snippets":["Canes are large and stand up well; plant is a good strong grower.","Described as very free from disease.","Fruit described as good and solid.","Described as one of the newer black raspberries."]}]