Search results

An open bibliographic database built by contributors

Open scholarly citation and bibliographic data

Search book and author records in batches and return work, edition, and cover identifiers.

Query a scholarly research graph of works, authors, sources, institutions, and related entities over a REST API.

Language classification linked to bibliographic reference

Ask a research question and get an answer grounded in open science papers, with citations.

Find books and other items held by libraries

Scholarly search with author, publication and date controls

Economics literature discovery through RePEc

Web search with a documented no-search-history policy

Find used, rare and collectible books from sellers

A self-managed engine for full-text search, indexing, and analytics.

Full-text book search through a large book index

AI search and retrieval platform for agentic, generative and search experiences

Independent-index search with configurable location and metrics controls

Read Google's search performance, indexing and crawl information for your site.

Managed AI search widget that crawls your site and returns answers with sources.

Education-research discovery with publication filters

Private-search routing with disclosed query logging and advertising partners

A curated index of freely readable online books

Organize team knowledge with topic-based wiki content and search across connected tools.

Web search with separate controls for optional account features

Retrieve Search Console performance and indexing data into Google Sheets.

Astronomical objects connected to literature and identifiers