Practical Law, available through Westlaw, has a number of resources under the "Resource Types" tab. Practice Notes provides a summary of information, like a legal encyclopedia. The Standard Clauses and Standard Documents are also resources in Practical Law and contain model language and detailed explanations about the document/clause. Checklists - which covers a range of topics e.g. preparing for a deposition - and Toolkits - a comprehensive package that address a legal issue (e.g. starting a business) and provides the relevant Practice Note and forms - are also available on Practical Law.
Transactional law resource that provides model documents (with legal drafting and negotiating tips), step-by-step checklists, timelines, handy overviews of transactional practice areas, and legal updates on the latest market developments. PLC focuses on corporate, securities, and finance law. Free accounts are available for Law School students, faculty, and staff; sign up on the PLC website.
The Illinois Institute of Continuing Legal Education ("IICLE") has a database of advanced secondary sources. The e-books, written by judges and lawyers practicing in Illinois for judges and lawyers practicing in Illinois, typically include forms and cover a range of topics from real estate 101 to federal criminal litigation. The language is easy to understand and the material is well-organized.
Online version of Illinois Institute of Continuing Legal Education course handbooks. You can browse the list of titles or search by keyword, and print PDF files of relevant sections or chapters. Forms are usually included.
A 50 State Survey is a secondary source that allows you to compare the state law for different areas of law. This is a great tool for researching a legal issue across state jurisdictions.
State Q&A: this tool on Practical Law allows you to pick an area of law and compare different state laws. This is a tool that allows you to, in essence, build a secondary source that compares the state law for a specific area of law (e.g. compare requirements for starting an S Corporation in Delaware, Illinois, and Indiana).
50 State Surveys: 50 state surveys essentially take a practice area (e.g. environmental law) and provides a list of the applicable statutes and regulations in each state, as well as the applicable federal statutes. This is another tool that brings together information about different jurisdictions in one place. These databases are available on Westlaw and Lexis Advance
Chart Builder on Bloomberg Law: this tool is similar to the State Q&A in Practical Law, except that the results are displayed in an easy to read chart. To find the Chart Builder, choose a practice area on Bloomberg, then choose a topic, and finally choose the jurisdictions.
Cheetah - has Smart Charts comparing state laws on corporate law, securities, banking, tax, intellectual property, and other areas of law
ALR: ALRs (referenced in the Legal Research Review tab) typically compares how different states have examined a subject area, so this is another place to compare how different jurisdictions interpret a legal question.