I Got Dem Ol' Kozmic Blues Again Mama!: "LP Chart". RPM. Vol. 12, no. 14. November 22, 1969. Archived from the original on October 27, 2021. Retrieved August 11, 2021.
RPM magazine singles chart positions:
"Piece of My Heart: "RPM 100 Single Survey". RPM. Vol. 10, no. 8. October 21, 1968. Archived from the original on November 7, 2021. Retrieved August 12, 2021.
"Rock singer found dead in apartment". Eugene Register-Guard. Oregon. Associated Press. October 5, 1970. p. 5A. Archived from the original on October 9, 2020. Retrieved October 2, 2020.
"Top rock vocalist Janis Joplin dies". The Bulletin. Bend, Oregon. United Press International. October 5, 1970. p. 1. Archived from the original on October 10, 2020. Retrieved October 2, 2020.
"ゴールドディスク認定検索" [Gold Disc Certification Search]. Recording Industry Association of Japan (in Japanese). Archived from the original on January 6, 2019. Retrieved August 12, 2021. Note: User must enter "ジャニス・ジョプリン" into the "アーティスト" field to produce results.
Gallucci, Michael (January 19, 2013). "Top 10 Janis Joplin Songs". Ultimate Classic Rock. Archived from the original on May 4, 2016. Retrieved May 8, 2016.
Gallucci, Michael (January 19, 2013). "Top 10 Janis Joplin Songs". Ultimate Classic Rock. Archived from the original on May 4, 2016. Retrieved May 8, 2016.
"Rock singer found dead in apartment". Eugene Register-Guard. Oregon. Associated Press. October 5, 1970. p. 5A. Archived from the original on October 9, 2020. Retrieved October 2, 2020.
"Top rock vocalist Janis Joplin dies". The Bulletin. Bend, Oregon. United Press International. October 5, 1970. p. 1. Archived from the original on October 10, 2020. Retrieved October 2, 2020.
I Got Dem Ol' Kozmic Blues Again Mama!: "LP Chart". RPM. Vol. 12, no. 14. November 22, 1969. Archived from the original on October 27, 2021. Retrieved August 11, 2021.
"ゴールドディスク認定検索" [Gold Disc Certification Search]. Recording Industry Association of Japan (in Japanese). Archived from the original on January 6, 2019. Retrieved August 12, 2021. Note: User must enter "ジャニス・ジョプリン" into the "アーティスト" field to produce results.
"Janis Joplin - Pearl". British Phonographic Industry. February 1, 2019. Archived from the original on August 12, 2021. Retrieved August 11, 2021.
"Piece of My Heart: "RPM 100 Single Survey". RPM. Vol. 10, no. 8. October 21, 1968. Archived from the original on November 7, 2021. Retrieved August 12, 2021.
"Discographie Janis Joplin". Les Charts (in French). Hung Medien. Archived from the original on September 7, 2021. Retrieved August 12, 2021.