General

Immunotherapy
American Cancer Society
How the immune system works, cancer immunotherapy approaches, clinical trials and immunotherapy for specific cancers (includes references)
http://www.cancer.org/docroot/eto/eto_1_3_immunotherapy.asp

Biological Therapy
National Cancer Institute (USA)
Biological therapy, immune system, cancer vaccines
http://www.cancer.gov/cancerinfo/biologicaltherapy

Biological Therapies for Cancer: Questions and Answers
National Cancer Institute (USA)
Immune cells, biological response modifiers, tumor vaccines
http://www.cancer.gov/cancertopics/factsheet/Therapy/biological

Cancer Vaccine Fact Sheet
National Cancer Institute (USA)
Cancer vaccines, phase III clinical trials
http://www.nci.nih.gov/newscenter/pressreleases/cancervaccines

Cancer and the Immune System: The Vital Connection
Cancer Research Institute (USA)
Immune response to cancer, immunotherapy, vaccines
http://www.cancerresearch.org/Resources.aspx?id=572

Cancer Medicine. 6^th ed.
Book available for interactive searching on PubMed's Bookshelf with sections on:
Section 2. Cancer Immunology
Section 13. Biotherapeutics
http://www.ncbi.nlm.nih.gov/books/bv.fcgi?call=bv.View..ShowTOC&rid=cmed6.TOC&depth=2

A Commotion in the Blood--Life, Death, and the Immune System
Chapter One of Stephen S. Hall's book
William B. Coley's experiences and the beginnings of cancer immunology
http://www.washingtonpost.com/wp-srv/style/longterm/books/chap1/commotionintheblood.htm

Clinical Trials

NCI's Cancer.gov Clinical Trials Database
Comprehensive resource on cancer clinical trials
http://www.cancer.gov/search/clinical_trials/

Pancreatica Clinical Trials Database
Compilation of clinical trials against pancreatic cancer
http://www.pancreatica.org/Search.cfm

    Search using "Treatment: Immunotherapy (including vaccines)"

Association for Immunotherapy of Cancer - Clinical Trials Database
Compilation of immunotherapy clinical trials in Germany
http://www.c-imt.org/

    "Search" and "Advanced search" of clinical trials possible

Positions

CancerCareers
AACR resource listing cancer research positions available for tumor immunologists
http://www.cancercareers.org/SpecialtyPosition.asp?SPID=14

Funding Agencies

Cancer Research Institute (CRI)
Charitable organization founded to foster the science of cancer immunology
http://www.cancerresearch.org/

Association for International Cancer Research (AICR)
Charitable organization funding research worldwide
http://www.aicr.org.uk/

Cancer Research UK (CRUK)
Leading charity dedicated to cancer research in the UK
http://www.cancerresearchuk.org/

Associations

Academy of Cancer Immunology
International academy established to advance understanding of the role of immunity in cancer
http://www.academycancerimmunology.org/

International Society for Biological Therapy of Cancer
International society whose goal is to expedite the safe transfer of both basic and applied research on new biologic agents into clinical practice
http://www.isbtc.org/

European Society of Cancer Immunology and Immunotherapy
European nonprofit organization with educational and scientific objectives
http://www.escii.org/

Association for Immunotherapy of Cancer
German association working to establish an information and education network
http://www.c-imt.org/

Cancer Vaccine Consortium - UPDATED
The goal of the consortium is to accelerate the process of bringing cancer vaccines from the development stage to the clinic
http://www.cancerresearch.org/CancerVaccineConsortium.html