Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a turtle with floral and geometric motifs on its shell, legs, and neck. The back contains a handwritten note and a sticker with blue text reading: "Stronger Together." The stock signature: "From your friends at West Allegheny Middle School" appears in the lower center.

Typed condolence note with the names of the eleven victims of the October 27 attack listed in alphabetical order.

Collage with a hand drawn tree with brown and black ink in the center; leaves made of multicolored tissue paper.

Card from a congregant at the Holy Angels Parish. The front cover contains a stock illustration of a haloed dove flying in front of Noah's ark. The inside reads: "Sorry for your loss. We will remember you. P.S. We will pray for you. Aden."

Handwritten sign written in purple, orange, and red marker. The sign reads, "We will not forget you. Love will triumph."

Handwritten card in red marker on paper. The card is signed: "Owen" and contains two illustrated stick figures.

Printed pamphlet in blue, white, and black ink on blue and white paper. The front cover reads, in English and Hebrew: "Messiah Revealed." The inner panels contain ten biblical prooftexts in support of the claim that the Hebrew Bible foretold the coming of the messiah, "Yeshua" (Jesus).

Miniature New York State flag. Wrapped around stem of flag is a slip of laminated yellow paper reading, "In Memory of our Sister JOYCE FIENBERG z''l -- To his family and community we pray Tanuchamo min hashamayim. May God in Heaven comfort you. The Principals, Teachers, Parents, Alumni, and Students of Magen David Yeshivah. Brooklyn, NY." Part of a series of 11 flags, each dedicated to one of the victims. Additional photograph shows the entire set of 11.

Folded card on blue paper with various taped cutouts. Front cover contains a white heart-shaped cutout. Inside features cutouts in the shape of a house, sun, and blue sky. The sun's rays are illustrated in colored pencil.

Post-it note with handwritten message in black ink. The message reads: "Am Yisrael Chai!" Translated into English, this means: "The People of Israel live!" Color bleeding due to exposure to the elements at the Wilkins memorial.

Card made by a student from the George Washington University Hillel. The card features a Star of David and reads: "To the Pittsburgh community, We are a city built on steel and kindness and held up by a thriving Jewish community. I miss my home, my city so much right now, but I know that you are strong. I send all my love."

Card from a student at West Allegheny Middle School in Imperial, Pa. The front features a hand-colored illustration of a pineapple with floral and geometric motifs. The back contains a handwritten note with a quote from the nineteenth century American poet Emily Dickinson, as well as the stock signature: "From your friends at West Allegheny Middle School."

Post-it note with handwritten message in black marker. The message reads, in Hebrew and English: "Rest in Peace." Signed by Rabbi Fred Pomerantz.

Handwritten note written in black ink on cream colored paper with a rose and rose bud illustrated in the upper left and lower right corners, respectively.

Letter from a member of the Point Loma Community Presbyterian Church in San Diego, California. The letter reads: "To our esteemed sisters and brothers I offer sorrow in your losses, comfort to enter into your memories and many blessings for your bright future as a synagogue to overcome. With all my love- Russell [last name redacted]."

Printed translation of Psalm 43, according to the English Standard Version (ESV) translation. The person who printed this psalm included a personal, typed note below reading: "Tears are prayers too. They travel to God when we can't speak."

Card painted with blue paint on the front. The words "Tree of Life" and several Stars of David, hearts, and five-pointed star were drawn with marker. A smiley face sticker was placed on the bottom left edge. An orange sticky note in the shape of a twelve-pointed star with the words "Strength and Unity for ALL" was placed in the center. The back of the card contains the words "Thoughts and Prayers for ALL" on the left, accompanied by illustrations of Stars of David, hearts, and five-pointed stars.

Small metal menorah with the word "Shalom" across the front and "Jerusalem" on the base. Original blue and green paint is faded. Menorah has wax drippings on branches.

Post-it note with handwritten message in blue marker. The message reads: "Stay strong. Hate cannot win!! Ron [last name redacted]."