{"uid":"cap_xeWz0GLrMZiPTQQh5qDEE","slug":"free-books-on-social-classes-project-gutenberg-internet-archive-aed64a7c","name":"Free Books on Social Classes (Project Gutenberg + Internet Archive)","description":"Free public-domain books on \"Social classes\": browse the catalogue's works tagged with that Library of Congress subject (203 in Project Gutenberg alone, plus Internet Archive scans), ranked by relevance and popularity, with direct epub/txt/html download links. Add words to narrow by title or author. Re-verified daily. $0.01 per page of 20.","url":"https://intel.rallylive.ca/library/subject/social-classes","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_H9eW0Li6Gb8aZZgbrleD-","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paginated catalogue of free public-domain books tagged under the Library of Congress 'Social classes' subject, with download links, ranked by relevance and popularity.","exampleAgentPrompt":"Can you find me free public-domain books about social classes — something I can download as an epub or txt? Show me the most popular ones from Project Gutenberg or the Internet Archive.","exampleUseCases":[{"title":"Sociology student finding primary texts","prompt":"I'm writing a paper on class struggle and need free downloadable books on social classes from Project Gutenberg — can you pull up the most relevant public-domain titles I can get as epub or txt?"},{"title":"Researcher narrowing by author","prompt":"Can you search the free social classes book catalogue for anything by Thorstein Veblen? I want direct download links to whatever's available."},{"title":"Book club sourcing classic reads","prompt":"Our book club wants to read something classic about social hierarchy or class divisions — can you list the most popular free public-domain books on the topic with download links?"}],"resultDescription":"A paginated list (20 books per page) of public-domain works tagged under the Library of Congress 'Social classes' subject, including titles, authors, relevance/popularity rankings, and direct download links in epub, txt, and html formats. Results are drawn from Project Gutenberg (203+ titles) and Internet Archive scans, re-verified daily.","failureModes":["No results returned if keyword filters are too narrow or misspelled","Pagination out of range returns empty result set","Occasional dead download links if source archive has moved content","Rate limiting or payment failure if USDC balance is insufficient for the $0.01 per call fee"],"whenToPreferThis":"Choose this endpoint when you need a curated, daily-verified catalogue of free public-domain books specifically on the 'Social classes' subject, with direct download links and popularity ranking. Prefer this over raw Project Gutenberg or Internet Archive searches when you want pre-filtered, ranked results with consistent pagination and zero licensing cost for the books themselves.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.569Z","isFirstParty":false}